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Cytrx Corp – ‘10-K’ for 12/31/13 – ‘EX-101.LAB’

On:  Tuesday, 3/4/14, at 6:18pm ET   ·   As of:  3/5/14   ·   For:  12/31/13   ·   Accession #:  799698-14-4   ·   File #:  0-15327

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  As Of               Filer                 Filing    For·On·As Docs:Size

 3/05/14  Cytrx Corp                        10-K       12/31/13   77:9.7M

Annual Report   —   Form 10-K   —   Sect. 13 / 15(d) – SEA’34
Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 10-K        Form 10-K for Fiscal Year Ending 12/31/2013         HTML   1.30M 
 2: EX-4.8      Instrument Defining the Rights of Security Holders  HTML     46K 
 3: EX-10.22    Material Contract                                   HTML     68K 
 4: EX-10.23    Material Contract                                   HTML     53K 
 5: EX-10.24    Material Contract                                   HTML     53K 
 6: EX-10.25    Material Contract                                   HTML     52K 
 7: EX-10.29    Material Contract                                   HTML     24K 
 8: EX-10.30    Material Contract                                   HTML     24K 
 9: EX-10.31    Material Contract                                   HTML     24K 
10: EX-10.32    Material Contract                                   HTML     26K 
11: EX-23.1     Consent of Experts or Counsel                       HTML     22K 
12: EX-31.1     Certification -- §302 - SOA'02                      HTML     26K 
13: EX-31.2     Certification -- §302 - SOA'02                      HTML     26K 
14: EX-32.1     Certification -- §906 - SOA'02                      HTML     22K 
15: EX-32.2     Certification -- §906 - SOA'02                      HTML     22K 
54: R1          Document and Entity Information                     HTML     49K 
44: R2          Consolidated Balance Sheets                         HTML     95K 
52: R3          Consolidated Balance Sheets (Parenthetical)         HTML     48K 
56: R4          Consolidated Statements of Operations               HTML     70K 
72: R5          Consolidated Statements of Stockholders' Equity     HTML     71K 
46: R6          Consolidated Statements of Cash Flows               HTML    116K 
51: R7          Nature of Business                                  HTML     28K 
41: R8          Summary of Significant Accounting Policies          HTML     71K 
33: R9          Receivables                                         HTML     26K 
73: R10         Prepaid and Other Assets                            HTML     23K 
58: R11         Short-term Investments                              HTML     27K 
57: R12         Equipment and Furnishings                           HTML     31K 
62: R13         Accrued Expenses and Other Current Liabilities      HTML     31K 
63: R14         Warrant Liabilities                                 HTML     36K 
61: R15         Commitments and Contingencies                       HTML     51K 
64: R16         Equity Transactions                                 HTML     33K 
53: R17         Investments in ADVENTRX Pharmaceuticals             HTML     26K 
55: R18         Stock Options and Warrants                          HTML    221K 
60: R19         Sale of Assets                                      HTML     23K 
77: R20         Stockholder Protection Rights Plan                  HTML     25K 
67: R21         Income Taxes                                        HTML     58K 
48: R22         Quarterly Financial Data (Unaudited)                HTML     48K 
59: R23         Subsequent Events                                   HTML     59K 
50: R24         Schedule Ii - Valuation and Qualifying Accounts     HTML     40K 
27: R25         Summary of Significant Accounting Policies          HTML    124K 
                (Policies)                                                       
68: R26         Summary of Significant Accounting Policies          HTML     47K 
                (Tables)                                                         
74: R27         Equipment and Furnishings (Tables)                  HTML     29K 
37: R28         Accrued Expenses and Other Current Liabilities      HTML     30K 
                (Tables)                                                         
36: R29         Warrant Liabilities (Tables)                        HTML     34K 
39: R30         Commitments and Contingencies (Tables)              HTML     45K 
40: R31         Stock Options and Warrants (Tables)                 HTML    218K 
42: R32         Income Taxes (Tables)                               HTML     53K 
26: R33         Quarterly Financial Data (Unaudited) (Tables)       HTML     46K 
65: R34         Subsequent Events (Tables)                          HTML     58K 
47: R35         Nature of Business (Details)                        HTML     40K 
49: R36         Summary of Significant Accounting Policies          HTML     67K 
                (Details)                                                        
30: R37         Receivables (Details)                               HTML     23K 
76: R38         Prepaid and Other Assets (Details)                  HTML     23K 
22: R39         Short-term Investments (Details)                    HTML     26K 
43: R40         Equipment and Furnishings (Details)                 HTML     34K 
71: R41         Accrued Expenses and Other Current Liabilities      HTML     35K 
                (Details)                                                        
29: R42         Warrant Liabilities (Details)                       HTML     41K 
35: R43         Commitments and Contingencies (Details)             HTML     83K 
38: R44         Equity Transactions (Details)                       HTML     49K 
45: R45         Investments in ADVENTRX Pharmaceuticals (Details)   HTML     32K 
25: R46         Stock Options and Warrants (Details)                HTML    304K 
32: R47         Sale of Assets (Details)                            HTML     24K 
23: R48         Stockholder Protection Rights Plan (Details)        HTML     33K 
70: R49         Income Taxes (Details)                              HTML     96K 
28: R50         Quarterly Financial Data (Unaudited) (Details)      HTML     37K 
66: R51         Subsequent Events (Details)                         HTML     87K 
31: R52         Schedule Ii - Valuation and Qualifying Accounts     HTML     32K 
                (Details)                                                        
75: XML         IDEA XML File -- Filing Summary                      XML    100K 
24: EXCEL       IDEA Workbook of Financial Reports                  XLSX    171K 
34: EXCEL       IDEA Workbook of Financial Reports (.xls)            XLS   1.26M 
16: EX-101.INS  XBRL Instance -- cytr-20131231                       XML   1.91M 
18: EX-101.CAL  XBRL Calculations -- cytr-20131231_cal               XML    190K 
19: EX-101.DEF  XBRL Definitions -- cytr-20131231_def                XML    469K 
20: EX-101.LAB  XBRL Labels -- cytr-20131231_lab                     XML   1.57M 
21: EX-101.PRE  XBRL Presentations -- cytr-20131231_pre              XML    873K 
17: EX-101.SCH  XBRL Schema -- cytr-20131231                         XSD    162K 
69: ZIP         XBRL Zipped Folder -- 0000799698-14-000004-xbrl      Zip    166K

‘EX-101.LAB’   —   XBRL Labels — cytr-20131231_lab

This Exhibit is an XBRL XML File.

                                                                                                                                                                                
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<link:labelLink xlink:type="extended" xlink:role="http://www.xbrl.org/2003/role/link">
<link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_AmendmentFlag" xlink:label="AmendmentFlag" xlink:title="AmendmentFlag"/>
<link:label xlink:type="resource" xlink:label="dei_AmendmentFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="dei_AmendmentFlag_lbl" xml:lang="en-US" id="dei_AmendmentFlag_lbl"> Amendment Flag </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AmendmentFlag" xlink:to="dei_AmendmentFlag_lbl" xlink:title="label: AmendmentFlag to dei_AmendmentFlag_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_CurrentFiscalYearEndDate" xlink:label="CurrentFiscalYearEndDate" xlink:title="CurrentFiscalYearEndDate"/>
<link:label xlink:type="resource" xlink:label="dei_CurrentFiscalYearEndDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="dei_CurrentFiscalYearEndDate_lbl" xml:lang="en-US" id="dei_CurrentFiscalYearEndDate_lbl"> Current Fiscal Year End Date </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CurrentFiscalYearEndDate" xlink:to="dei_CurrentFiscalYearEndDate_lbl" xlink:title="label: CurrentFiscalYearEndDate to dei_CurrentFiscalYearEndDate_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_DocumentPeriodEndDate" xlink:label="DocumentPeriodEndDate" xlink:title="DocumentPeriodEndDate"/>
<link:label xlink:type="resource" xlink:label="dei_DocumentPeriodEndDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="dei_DocumentPeriodEndDate_lbl" xml:lang="en-US" id="dei_DocumentPeriodEndDate_lbl"> Document Period End Date </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DocumentPeriodEndDate" xlink:to="dei_DocumentPeriodEndDate_lbl" xlink:title="label: DocumentPeriodEndDate to dei_DocumentPeriodEndDate_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_EntityWellKnownSeasonedIssuer" xlink:label="EntityWellKnownSeasonedIssuer" xlink:title="EntityWellKnownSeasonedIssuer"/>
<link:label xlink:type="resource" xlink:label="dei_EntityWellKnownSeasonedIssuer_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="dei_EntityWellKnownSeasonedIssuer_lbl" xml:lang="en-US" id="dei_EntityWellKnownSeasonedIssuer_lbl"> Entity Well-known Seasoned Issuer </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EntityWellKnownSeasonedIssuer" xlink:to="dei_EntityWellKnownSeasonedIssuer_lbl" xlink:title="label: EntityWellKnownSeasonedIssuer to dei_EntityWellKnownSeasonedIssuer_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_EntityVoluntaryFilers" xlink:label="EntityVoluntaryFilers" xlink:title="EntityVoluntaryFilers"/>
<link:label xlink:type="resource" xlink:label="dei_EntityVoluntaryFilers_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="dei_EntityVoluntaryFilers_lbl" xml:lang="en-US" id="dei_EntityVoluntaryFilers_lbl"> Entity Voluntary Filers </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EntityVoluntaryFilers" xlink:to="dei_EntityVoluntaryFilers_lbl" xlink:title="label: EntityVoluntaryFilers to dei_EntityVoluntaryFilers_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_EntityCurrentReportingStatus" xlink:label="EntityCurrentReportingStatus" xlink:title="EntityCurrentReportingStatus"/>
<link:label xlink:type="resource" xlink:label="dei_EntityCurrentReportingStatus_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="dei_EntityCurrentReportingStatus_lbl" xml:lang="en-US" id="dei_EntityCurrentReportingStatus_lbl"> Entity Current Reporting Status </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EntityCurrentReportingStatus" xlink:to="dei_EntityCurrentReportingStatus_lbl" xlink:title="label: EntityCurrentReportingStatus to dei_EntityCurrentReportingStatus_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_EntityFilerCategory" xlink:label="EntityFilerCategory" xlink:title="EntityFilerCategory"/>
<link:label xlink:type="resource" xlink:label="dei_EntityFilerCategory_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="dei_EntityFilerCategory_lbl" xml:lang="en-US" id="dei_EntityFilerCategory_lbl"> Entity Filer Category </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EntityFilerCategory" xlink:to="dei_EntityFilerCategory_lbl" xlink:title="label: EntityFilerCategory to dei_EntityFilerCategory_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_EntityPublicFloat" xlink:label="EntityPublicFloat" xlink:title="EntityPublicFloat"/>
<link:label xlink:type="resource" xlink:label="dei_EntityPublicFloat_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="dei_EntityPublicFloat_lbl" xml:lang="en-US" id="dei_EntityPublicFloat_lbl"> Entity Public Float </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EntityPublicFloat" xlink:to="dei_EntityPublicFloat_lbl" xlink:title="label: EntityPublicFloat to dei_EntityPublicFloat_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_EntityRegistrantName" xlink:label="EntityRegistrantName" xlink:title="EntityRegistrantName"/>
<link:label xlink:type="resource" xlink:label="dei_EntityRegistrantName_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="dei_EntityRegistrantName_lbl" xml:lang="en-US" id="dei_EntityRegistrantName_lbl"> Entity Registrant Name </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EntityRegistrantName" xlink:to="dei_EntityRegistrantName_lbl" xlink:title="label: EntityRegistrantName to dei_EntityRegistrantName_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_EntityCentralIndexKey" xlink:label="EntityCentralIndexKey" xlink:title="EntityCentralIndexKey"/>
<link:label xlink:type="resource" xlink:label="dei_EntityCentralIndexKey_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="dei_EntityCentralIndexKey_lbl" xml:lang="en-US" id="dei_EntityCentralIndexKey_lbl"> Entity Central Index Key </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EntityCentralIndexKey" xlink:to="dei_EntityCentralIndexKey_lbl" xlink:title="label: EntityCentralIndexKey to dei_EntityCentralIndexKey_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_EntityCommonStockSharesOutstanding" xlink:label="EntityCommonStockSharesOutstanding" xlink:title="EntityCommonStockSharesOutstanding"/>
<link:label xlink:type="resource" xlink:label="dei_EntityCommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="dei_EntityCommonStockSharesOutstanding_lbl" xml:lang="en-US" id="dei_EntityCommonStockSharesOutstanding_lbl"> Entity Common Stock, Shares Outstanding </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EntityCommonStockSharesOutstanding" xlink:to="dei_EntityCommonStockSharesOutstanding_lbl" xlink:title="label: EntityCommonStockSharesOutstanding to dei_EntityCommonStockSharesOutstanding_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_DocumentFiscalYearFocus" xlink:label="DocumentFiscalYearFocus" xlink:title="DocumentFiscalYearFocus"/>
<link:label xlink:type="resource" xlink:label="dei_DocumentFiscalYearFocus_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="dei_DocumentFiscalYearFocus_lbl" xml:lang="en-US" id="dei_DocumentFiscalYearFocus_lbl"> Document Fiscal Year Focus </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DocumentFiscalYearFocus" xlink:to="dei_DocumentFiscalYearFocus_lbl" xlink:title="label: DocumentFiscalYearFocus to dei_DocumentFiscalYearFocus_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_DocumentFiscalPeriodFocus" xlink:label="DocumentFiscalPeriodFocus" xlink:title="DocumentFiscalPeriodFocus"/>
<link:label xlink:type="resource" xlink:label="dei_DocumentFiscalPeriodFocus_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="dei_DocumentFiscalPeriodFocus_lbl" xml:lang="en-US" id="dei_DocumentFiscalPeriodFocus_lbl"> Document Fiscal Period Focus </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DocumentFiscalPeriodFocus" xlink:to="dei_DocumentFiscalPeriodFocus_lbl" xlink:title="label: DocumentFiscalPeriodFocus to dei_DocumentFiscalPeriodFocus_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_DocumentType" xlink:label="DocumentType" xlink:title="DocumentType"/>
<link:label xlink:type="resource" xlink:label="dei_DocumentType_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="dei_DocumentType_lbl" xml:lang="en-US" id="dei_DocumentType_lbl"> Document Type </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DocumentType" xlink:to="dei_DocumentType_lbl" xlink:title="label: DocumentType to dei_DocumentType_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="AwardTypeAxis" xlink:title="AwardTypeAxis"/>
<link:label xlink:type="resource" xlink:label="us-gaap_AwardTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_AwardTypeAxis_lbl" xml:lang="en-US" id="us-gaap_AwardTypeAxis_lbl"> Share-based Compensation Arrangement by Share-based Payment Award, Award Type [Axis] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AwardTypeAxis" xlink:to="us-gaap_AwardTypeAxis_lbl" xlink:title="label: AwardTypeAxis to us-gaap_AwardTypeAxis_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccountingPoliciesAbstract" xlink:label="AccountingPoliciesAbstract" xlink:title="AccountingPoliciesAbstract"/>
<link:label xlink:type="resource" xlink:label="us-gaap_AccountingPoliciesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_AccountingPoliciesAbstract_lbl" xml:lang="en-US" id="us-gaap_AccountingPoliciesAbstract_lbl"> Summary of Significant Accounting Policies [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AccountingPoliciesAbstract" xlink:to="us-gaap_AccountingPoliciesAbstract_lbl" xlink:title="label: AccountingPoliciesAbstract to us-gaap_AccountingPoliciesAbstract_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock" xlink:label="AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock" xlink:title="AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock"/>
<link:label xlink:type="resource" xlink:label="us-gaap_AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="us-gaap_AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock_lbl" xml:lang="en-US" id="us-gaap_AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock_lbl"> Accrued Expenses and Other Current Liabilities </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock" xlink:to="us-gaap_AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock_lbl" xlink:title="label: AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock to us-gaap_AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock_lbl1" xml:lang="en-US" id="us-gaap_AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock_lbl1"> Accounts Payable and Accrued Liabilities Disclosure [Text Block] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock" xlink:to="us-gaap_AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock_lbl1" xlink:title="label: AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock to us-gaap_AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAbstract" xlink:label="AccountsPayableAndAccruedLiabilitiesCurrentAbstract" xlink:title="AccountsPayableAndAccruedLiabilitiesCurrentAbstract"/>
<link:label xlink:type="resource" xlink:label="us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAbstract_lbl" xml:lang="en-US" id="us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAbstract_lbl"> Accounts Payable and Accrued Liabilities, Current [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AccountsPayableAndAccruedLiabilitiesCurrentAbstract" xlink:to="us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAbstract_lbl" xlink:title="label: AccountsPayableAndAccruedLiabilitiesCurrentAbstract to us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAbstract_lbl"/>
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<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AccountsPayableAndOtherAccruedLiabilitiesCurrent" xlink:to="us-gaap_AccountsPayableAndOtherAccruedLiabilitiesCurrent_lbl" xlink:title="label: AccountsPayableAndOtherAccruedLiabilitiesCurrent to us-gaap_AccountsPayableAndOtherAccruedLiabilitiesCurrent_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_AccountsPayableAndOtherAccruedLiabilitiesCurrent_lbl1" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="us-gaap_AccountsPayableAndOtherAccruedLiabilitiesCurrent_lbl1" xml:lang="en-US" id="us-gaap_AccountsPayableAndOtherAccruedLiabilitiesCurrent_lbl1"> Total </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AccountsPayableAndOtherAccruedLiabilitiesCurrent" xlink:to="us-gaap_AccountsPayableAndOtherAccruedLiabilitiesCurrent_lbl1" xlink:title="label: AccountsPayableAndOtherAccruedLiabilitiesCurrent to us-gaap_AccountsPayableAndOtherAccruedLiabilitiesCurrent_lbl1"/>
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<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AccountsPayableAndOtherAccruedLiabilitiesCurrent" xlink:to="us-gaap_AccountsPayableAndOtherAccruedLiabilitiesCurrent_lbl2" xlink:title="label: AccountsPayableAndOtherAccruedLiabilitiesCurrent to us-gaap_AccountsPayableAndOtherAccruedLiabilitiesCurrent_lbl2"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccountsPayableCurrent" xlink:label="AccountsPayableCurrent" xlink:title="AccountsPayableCurrent"/>
<link:label xlink:type="resource" xlink:label="us-gaap_AccountsPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="us-gaap_AccountsPayableCurrent_lbl" xml:lang="en-US" id="us-gaap_AccountsPayableCurrent_lbl"> Accounts payable </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AccountsPayableCurrent" xlink:to="us-gaap_AccountsPayableCurrent_lbl" xlink:title="label: AccountsPayableCurrent to us-gaap_AccountsPayableCurrent_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_AccountsPayableCurrent_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_AccountsPayableCurrent_lbl1" xml:lang="en-US" id="us-gaap_AccountsPayableCurrent_lbl1"> Accounts Payable, Current </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AccountsPayableCurrent" xlink:to="us-gaap_AccountsPayableCurrent_lbl1" xlink:title="label: AccountsPayableCurrent to us-gaap_AccountsPayableCurrent_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccruedProfessionalFeesCurrent" xlink:label="AccruedProfessionalFeesCurrent" xlink:title="AccruedProfessionalFeesCurrent"/>
<link:label xlink:type="resource" xlink:label="us-gaap_AccruedProfessionalFeesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_AccruedProfessionalFeesCurrent_lbl" xml:lang="en-US" id="us-gaap_AccruedProfessionalFeesCurrent_lbl"> Professional fees </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AccruedProfessionalFeesCurrent" xlink:to="us-gaap_AccruedProfessionalFeesCurrent_lbl" xlink:title="label: AccruedProfessionalFeesCurrent to us-gaap_AccruedProfessionalFeesCurrent_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:label="AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:title="AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment"/>
<link:label xlink:type="resource" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl" xml:lang="en-US" id="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl"> Less - accumulated depreciation </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:to="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl" xlink:title="label: AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment to us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl1" xml:lang="en-US" id="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl1"> Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:to="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl1" xlink:title="label: AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment to us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AdditionalPaidInCapital" xlink:label="AdditionalPaidInCapital" xlink:title="AdditionalPaidInCapital"/>
<link:label xlink:type="resource" xlink:label="us-gaap_AdditionalPaidInCapital_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_AdditionalPaidInCapital_lbl" xml:lang="en-US" id="us-gaap_AdditionalPaidInCapital_lbl"> Additional paid-in capital </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AdditionalPaidInCapital" xlink:to="us-gaap_AdditionalPaidInCapital_lbl" xlink:title="label: AdditionalPaidInCapital to us-gaap_AdditionalPaidInCapital_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AdditionalPaidInCapitalMember" xlink:label="AdditionalPaidInCapitalMember" xlink:title="AdditionalPaidInCapitalMember"/>
<link:label xlink:type="resource" xlink:label="us-gaap_AdditionalPaidInCapitalMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_AdditionalPaidInCapitalMember_lbl" xml:lang="en-US" id="us-gaap_AdditionalPaidInCapitalMember_lbl"> Additional Paid-in Capital [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AdditionalPaidInCapitalMember" xlink:to="us-gaap_AdditionalPaidInCapitalMember_lbl" xlink:title="label: AdditionalPaidInCapitalMember to us-gaap_AdditionalPaidInCapitalMember_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalWarrantIssued" xlink:label="AdjustmentsToAdditionalPaidInCapitalWarrantIssued" xlink:title="AdjustmentsToAdditionalPaidInCapitalWarrantIssued"/>
<link:label xlink:type="resource" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalWarrantIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="us-gaap_AdjustmentsToAdditionalPaidInCapitalWarrantIssued_lbl" xml:lang="en-US" id="us-gaap_AdjustmentsToAdditionalPaidInCapitalWarrantIssued_lbl"> Issuance of stock options/warrants for compensation and services </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AdjustmentsToAdditionalPaidInCapitalWarrantIssued" xlink:to="us-gaap_AdjustmentsToAdditionalPaidInCapitalWarrantIssued_lbl" xlink:title="label: AdjustmentsToAdditionalPaidInCapitalWarrantIssued to us-gaap_AdjustmentsToAdditionalPaidInCapitalWarrantIssued_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalWarrantIssued_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_AdjustmentsToAdditionalPaidInCapitalWarrantIssued_lbl1" xml:lang="en-US" id="us-gaap_AdjustmentsToAdditionalPaidInCapitalWarrantIssued_lbl1"> Adjustments to Additional Paid in Capital, Warrant Issued </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AdjustmentsToAdditionalPaidInCapitalWarrantIssued" xlink:to="us-gaap_AdjustmentsToAdditionalPaidInCapitalWarrantIssued_lbl1" xlink:title="label: AdjustmentsToAdditionalPaidInCapitalWarrantIssued to us-gaap_AdjustmentsToAdditionalPaidInCapitalWarrantIssued_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities" xlink:label="AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities" xlink:title="AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities"/>
<link:label xlink:type="resource" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities_lbl" xml:lang="en-US" id="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities_lbl"> Total adjustments </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities" xlink:to="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities_lbl" xlink:title="label: AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities to us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities_lbl1" xml:lang="en-US" id="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities_lbl1"> Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities" xlink:to="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities_lbl1" xlink:title="label: AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities to us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:title="AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract"/>
<link:label xlink:type="resource" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xml:lang="en-US" id="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl"> Adjustments to reconcile net loss to net cash used in operating activities: </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:title="label: AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract to us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition" xlink:label="AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition" xlink:title="AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition"/>
<link:label xlink:type="resource" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition_lbl" xml:lang="en-US" id="us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition_lbl"> Restricted stock </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition" xlink:to="us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition_lbl" xlink:title="label: AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition to us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition_lbl1" xml:lang="en-US" id="us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition_lbl1"> Adjustments to Additional Paid in Capital, Share-based Compensation, Restricted Stock Unit or Restricted Stock Award, Requisite Service Period Recognition </link:label>
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<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:label="AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:title="AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount"/>
<link:label xlink:type="resource" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_lbl" xml:lang="en-US" id="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_lbl"> Antidilutive securities excluded from computation of earning per share amount (in shares) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:to="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_lbl" xlink:title="label: AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount to us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_lbl1" xml:lang="en-US" id="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_lbl1"> Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount </link:label>
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<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_Assets" xlink:label="Assets" xlink:title="Assets"/>
<link:label xlink:type="resource" xlink:label="us-gaap_Assets_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="us-gaap_Assets_lbl" xml:lang="en-US" id="us-gaap_Assets_lbl"> Total assets </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="Assets" xlink:to="us-gaap_Assets_lbl" xlink:title="label: Assets to us-gaap_Assets_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_Assets_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_Assets_lbl1" xml:lang="en-US" id="us-gaap_Assets_lbl1"> Assets </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="Assets" xlink:to="us-gaap_Assets_lbl1" xlink:title="label: Assets to us-gaap_Assets_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AssetsCurrentAbstract" xlink:label="AssetsCurrentAbstract" xlink:title="AssetsCurrentAbstract"/>
<link:label xlink:type="resource" xlink:label="us-gaap_AssetsCurrentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_AssetsCurrentAbstract_lbl" xml:lang="en-US" id="us-gaap_AssetsCurrentAbstract_lbl"> Current assets: </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AssetsCurrentAbstract" xlink:to="us-gaap_AssetsCurrentAbstract_lbl" xlink:title="label: AssetsCurrentAbstract to us-gaap_AssetsCurrentAbstract_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="AssetsAbstract" xlink:title="AssetsAbstract"/>
<link:label xlink:type="resource" xlink:label="us-gaap_AssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="us-gaap_AssetsAbstract_lbl" xml:lang="en-US" id="us-gaap_AssetsAbstract_lbl"> ASSETS </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AssetsAbstract" xlink:to="us-gaap_AssetsAbstract_lbl" xlink:title="label: AssetsAbstract to us-gaap_AssetsAbstract_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_AssetsAbstract_lbl1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="us-gaap_AssetsAbstract_lbl1" xml:lang="en-US" id="us-gaap_AssetsAbstract_lbl1"> ASSETS </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AssetsAbstract" xlink:to="us-gaap_AssetsAbstract_lbl1" xlink:title="label: AssetsAbstract to us-gaap_AssetsAbstract_lbl1"/>
<link:label xlink:type="resource" xlink:label="us-gaap_AssetsAbstract_lbl2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_AssetsAbstract_lbl2" xml:lang="en-US" id="us-gaap_AssetsAbstract_lbl2"> Assets [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AssetsAbstract" xlink:to="us-gaap_AssetsAbstract_lbl2" xlink:title="label: AssetsAbstract to us-gaap_AssetsAbstract_lbl2"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AssetsNoncurrent" xlink:label="AssetsNoncurrent" xlink:title="AssetsNoncurrent"/>
<link:label xlink:type="resource" xlink:label="us-gaap_AssetsNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_AssetsNoncurrent_lbl" xml:lang="en-US" id="us-gaap_AssetsNoncurrent_lbl"> Non-current assets </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AssetsNoncurrent" xlink:to="us-gaap_AssetsNoncurrent_lbl" xlink:title="label: AssetsNoncurrent to us-gaap_AssetsNoncurrent_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AssetsCurrent" xlink:label="AssetsCurrent" xlink:title="AssetsCurrent"/>
<link:label xlink:type="resource" xlink:label="us-gaap_AssetsCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="us-gaap_AssetsCurrent_lbl" xml:lang="en-US" id="us-gaap_AssetsCurrent_lbl"> Total current assets </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AssetsCurrent" xlink:to="us-gaap_AssetsCurrent_lbl" xlink:title="label: AssetsCurrent to us-gaap_AssetsCurrent_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_AssetsCurrent_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_AssetsCurrent_lbl1" xml:lang="en-US" id="us-gaap_AssetsCurrent_lbl1"> Assets, Current </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AssetsCurrent" xlink:to="us-gaap_AssetsCurrent_lbl1" xlink:title="label: AssetsCurrent to us-gaap_AssetsCurrent_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AvailableForSaleSecuritiesCurrent" xlink:label="AvailableForSaleSecuritiesCurrent" xlink:title="AvailableForSaleSecuritiesCurrent"/>
<link:label xlink:type="resource" xlink:label="us-gaap_AvailableForSaleSecuritiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="us-gaap_AvailableForSaleSecuritiesCurrent_lbl" xml:lang="en-US" id="us-gaap_AvailableForSaleSecuritiesCurrent_lbl"> Short-term investments </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AvailableForSaleSecuritiesCurrent" xlink:to="us-gaap_AvailableForSaleSecuritiesCurrent_lbl" xlink:title="label: AvailableForSaleSecuritiesCurrent to us-gaap_AvailableForSaleSecuritiesCurrent_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_AvailableForSaleSecuritiesCurrent_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_AvailableForSaleSecuritiesCurrent_lbl1" xml:lang="en-US" id="us-gaap_AvailableForSaleSecuritiesCurrent_lbl1"> Marketable securities </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AvailableForSaleSecuritiesCurrent" xlink:to="us-gaap_AvailableForSaleSecuritiesCurrent_lbl1" xlink:title="label: AvailableForSaleSecuritiesCurrent to us-gaap_AvailableForSaleSecuritiesCurrent_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CapitalExpendituresIncurredButNotYetPaid" xlink:label="CapitalExpendituresIncurredButNotYetPaid" xlink:title="CapitalExpendituresIncurredButNotYetPaid"/>
<link:label xlink:type="resource" xlink:label="us-gaap_CapitalExpendituresIncurredButNotYetPaid_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_CapitalExpendituresIncurredButNotYetPaid_lbl" xml:lang="en-US" id="us-gaap_CapitalExpendituresIncurredButNotYetPaid_lbl"> Equipment and furnishings purchased but not paid </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CapitalExpendituresIncurredButNotYetPaid" xlink:to="us-gaap_CapitalExpendituresIncurredButNotYetPaid_lbl" xlink:title="label: CapitalExpendituresIncurredButNotYetPaid to us-gaap_CapitalExpendituresIncurredButNotYetPaid_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:label="CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:title="CashAndCashEquivalentsPeriodIncreaseDecrease"/>
<link:label xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_lbl" xml:lang="en-US" id="us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_lbl"> Net increase (decrease) in cash and cash equivalents </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:to="us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_lbl" xlink:title="label: CashAndCashEquivalentsPeriodIncreaseDecrease to us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_lbl1" xml:lang="en-US" id="us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_lbl1"> Cash and Cash Equivalents, Period Increase (Decrease) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:to="us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_lbl1" xlink:title="label: CashAndCashEquivalentsPeriodIncreaseDecrease to us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="CashAndCashEquivalentsAtCarryingValue" xlink:title="CashAndCashEquivalentsAtCarryingValue"/>
<link:label xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xml:lang="en-US" id="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl"> Cash and cash equivalents </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CashAndCashEquivalentsAtCarryingValue" xlink:to="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xlink:title="label: CashAndCashEquivalentsAtCarryingValue to us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl1" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:title="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl1" xml:lang="en-US" id="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl1"> Cash and cash equivalents at end of year </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CashAndCashEquivalentsAtCarryingValue" xlink:to="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl1" xlink:title="label: CashAndCashEquivalentsAtCarryingValue to us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl1"/>
<link:label xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl2" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:title="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl2" xml:lang="en-US" id="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl2"> Cash and cash equivalents at beginning of year </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CashAndCashEquivalentsAtCarryingValue" xlink:to="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl2" xlink:title="label: CashAndCashEquivalentsAtCarryingValue to us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl2"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CashAndCashEquivalentsPolicyTextBlock" xlink:label="CashAndCashEquivalentsPolicyTextBlock" xlink:title="CashAndCashEquivalentsPolicyTextBlock"/>
<link:label xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_CashAndCashEquivalentsPolicyTextBlock_lbl" xml:lang="en-US" id="us-gaap_CashAndCashEquivalentsPolicyTextBlock_lbl"> Cash Equivalents </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CashAndCashEquivalentsPolicyTextBlock" xlink:to="us-gaap_CashAndCashEquivalentsPolicyTextBlock_lbl" xlink:title="label: CashAndCashEquivalentsPolicyTextBlock to us-gaap_CashAndCashEquivalentsPolicyTextBlock_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CashAndCashEquivalentsFairValueDisclosure" xlink:label="CashAndCashEquivalentsFairValueDisclosure" xlink:title="CashAndCashEquivalentsFairValueDisclosure"/>
<link:label xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="us-gaap_CashAndCashEquivalentsFairValueDisclosure_lbl" xml:lang="en-US" id="us-gaap_CashAndCashEquivalentsFairValueDisclosure_lbl"> Cash equivalents </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CashAndCashEquivalentsFairValueDisclosure" xlink:to="us-gaap_CashAndCashEquivalentsFairValueDisclosure_lbl" xlink:title="label: CashAndCashEquivalentsFairValueDisclosure to us-gaap_CashAndCashEquivalentsFairValueDisclosure_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsFairValueDisclosure_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_CashAndCashEquivalentsFairValueDisclosure_lbl1" xml:lang="en-US" id="us-gaap_CashAndCashEquivalentsFairValueDisclosure_lbl1"> Cash and Cash Equivalents, Fair Value Disclosure </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CashAndCashEquivalentsFairValueDisclosure" xlink:to="us-gaap_CashAndCashEquivalentsFairValueDisclosure_lbl1" xlink:title="label: CashAndCashEquivalentsFairValueDisclosure to us-gaap_CashAndCashEquivalentsFairValueDisclosure_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:label="CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:title="CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract"/>
<link:label xlink:type="resource" xlink:label="us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_lbl" xml:lang="en-US" id="us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_lbl"> Supplemental disclosures of non-cash financing activities: </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:to="us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_lbl" xlink:title="label: CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract to us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CertificatesOfDepositMember" xlink:label="CertificatesOfDepositMember" xlink:title="CertificatesOfDepositMember"/>
<link:label xlink:type="resource" xlink:label="us-gaap_CertificatesOfDepositMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_CertificatesOfDepositMember_lbl" xml:lang="en-US" id="us-gaap_CertificatesOfDepositMember_lbl"> Certificates of Deposit [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CertificatesOfDepositMember" xlink:to="us-gaap_CertificatesOfDepositMember_lbl" xlink:title="label: CertificatesOfDepositMember to us-gaap_CertificatesOfDepositMember_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ClassOfWarrantOrRightOutstanding" xlink:label="ClassOfWarrantOrRightOutstanding" xlink:title="ClassOfWarrantOrRightOutstanding"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRightOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ClassOfWarrantOrRightOutstanding_lbl" xml:lang="en-US" id="us-gaap_ClassOfWarrantOrRightOutstanding_lbl"> Warrants classified as liabilities </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ClassOfWarrantOrRightOutstanding" xlink:to="us-gaap_ClassOfWarrantOrRightOutstanding_lbl" xlink:title="label: ClassOfWarrantOrRightOutstanding to us-gaap_ClassOfWarrantOrRightOutstanding_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights" xlink:label="ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights" xlink:title="ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights_lbl" xml:lang="en-US" id="us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights_lbl"> Shares underlying warrants (in shares) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights" xlink:to="us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights_lbl" xlink:title="label: ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights to us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights" xlink:label="ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights" xlink:title="ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights_lbl" xml:lang="en-US" id="us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights_lbl"> Exercise price of common stock (in dollars per share) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights" xlink:to="us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights_lbl" xlink:title="label: ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights to us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights_lbl1" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights_lbl1" xml:lang="en-US" id="us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights_lbl1"> Rights exercise price (in dollars per share) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights" xlink:to="us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights_lbl1" xlink:title="label: ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights to us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights_lbl1"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights_lbl2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights_lbl2" xml:lang="en-US" id="us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights_lbl2"> Class of Warrant or Right, Exercise Price of Warrants or Rights </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights" xlink:to="us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights_lbl2" xlink:title="label: ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights to us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights_lbl2"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:label="CommitmentsAndContingenciesDisclosureAbstract" xlink:title="CommitmentsAndContingenciesDisclosureAbstract"/>
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<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureTextBlock" xlink:label="CommitmentsAndContingenciesDisclosureTextBlock" xlink:title="CommitmentsAndContingenciesDisclosureTextBlock"/>
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<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CommonStockParOrStatedValuePerShare" xlink:label="CommonStockParOrStatedValuePerShare" xlink:title="CommonStockParOrStatedValuePerShare"/>
<link:label xlink:type="resource" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_CommonStockParOrStatedValuePerShare_lbl" xml:lang="en-US" id="us-gaap_CommonStockParOrStatedValuePerShare_lbl"> Common stock, par value (in dollars per share) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CommonStockParOrStatedValuePerShare" xlink:to="us-gaap_CommonStockParOrStatedValuePerShare_lbl" xlink:title="label: CommonStockParOrStatedValuePerShare to us-gaap_CommonStockParOrStatedValuePerShare_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CommonStockMember" xlink:label="CommonStockMember" xlink:title="CommonStockMember"/>
<link:label xlink:type="resource" xlink:label="us-gaap_CommonStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_CommonStockMember_lbl" xml:lang="en-US" id="us-gaap_CommonStockMember_lbl"> Common Stock [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CommonStockMember" xlink:to="us-gaap_CommonStockMember_lbl" xlink:title="label: CommonStockMember to us-gaap_CommonStockMember_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CommonStockValue" xlink:label="CommonStockValue" xlink:title="CommonStockValue"/>
<link:label xlink:type="resource" xlink:label="us-gaap_CommonStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_CommonStockValue_lbl" xml:lang="en-US" id="us-gaap_CommonStockValue_lbl"> Common stock, $.001 par value, 250,000,000 shares authorized; 42,116,964 and 30,607,916 shares issued and outstanding at December 31, 2013 and 2012, respectively </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CommonStockValue" xlink:to="us-gaap_CommonStockValue_lbl" xlink:title="label: CommonStockValue to us-gaap_CommonStockValue_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_CommonStockValue_lbl1" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="us-gaap_CommonStockValue_lbl1" xml:lang="en-US" id="us-gaap_CommonStockValue_lbl1"> Common stock </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CommonStockValue" xlink:to="us-gaap_CommonStockValue_lbl1" xlink:title="label: CommonStockValue to us-gaap_CommonStockValue_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CommonStockSharesIssued" xlink:label="CommonStockSharesIssued" xlink:title="CommonStockSharesIssued"/>
<link:label xlink:type="resource" xlink:label="us-gaap_CommonStockSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_CommonStockSharesIssued_lbl" xml:lang="en-US" id="us-gaap_CommonStockSharesIssued_lbl"> Common stock, shares issued (in shares) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CommonStockSharesIssued" xlink:to="us-gaap_CommonStockSharesIssued_lbl" xlink:title="label: CommonStockSharesIssued to us-gaap_CommonStockSharesIssued_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CommonStockSharesAuthorized" xlink:label="CommonStockSharesAuthorized" xlink:title="CommonStockSharesAuthorized"/>
<link:label xlink:type="resource" xlink:label="us-gaap_CommonStockSharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_CommonStockSharesAuthorized_lbl" xml:lang="en-US" id="us-gaap_CommonStockSharesAuthorized_lbl"> Common stock, shares authorized (in shares) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CommonStockSharesAuthorized" xlink:to="us-gaap_CommonStockSharesAuthorized_lbl" xlink:title="label: CommonStockSharesAuthorized to us-gaap_CommonStockSharesAuthorized_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CommonStockCapitalSharesReservedForFutureIssuance" xlink:label="CommonStockCapitalSharesReservedForFutureIssuance" xlink:title="CommonStockCapitalSharesReservedForFutureIssuance"/>
<link:label xlink:type="resource" xlink:label="us-gaap_CommonStockCapitalSharesReservedForFutureIssuance_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_CommonStockCapitalSharesReservedForFutureIssuance_lbl" xml:lang="en-US" id="us-gaap_CommonStockCapitalSharesReservedForFutureIssuance_lbl"> Shares reserved for future issuance (in shares) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CommonStockCapitalSharesReservedForFutureIssuance" xlink:to="us-gaap_CommonStockCapitalSharesReservedForFutureIssuance_lbl" xlink:title="label: CommonStockCapitalSharesReservedForFutureIssuance to us-gaap_CommonStockCapitalSharesReservedForFutureIssuance_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_CommonStockCapitalSharesReservedForFutureIssuance_lbl1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="us-gaap_CommonStockCapitalSharesReservedForFutureIssuance_lbl1" xml:lang="en-US" id="us-gaap_CommonStockCapitalSharesReservedForFutureIssuance_lbl1"> Share-based compensation, shares subject to stock options (in shares) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CommonStockCapitalSharesReservedForFutureIssuance" xlink:to="us-gaap_CommonStockCapitalSharesReservedForFutureIssuance_lbl1" xlink:title="label: CommonStockCapitalSharesReservedForFutureIssuance to us-gaap_CommonStockCapitalSharesReservedForFutureIssuance_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CommonStockSharesOutstanding" xlink:label="CommonStockSharesOutstanding" xlink:title="CommonStockSharesOutstanding"/>
<link:label xlink:type="resource" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:title="us-gaap_CommonStockSharesOutstanding_lbl" xml:lang="en-US" id="us-gaap_CommonStockSharesOutstanding_lbl"> Balance (in shares) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CommonStockSharesOutstanding" xlink:to="us-gaap_CommonStockSharesOutstanding_lbl" xlink:title="label: CommonStockSharesOutstanding to us-gaap_CommonStockSharesOutstanding_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl1" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:title="us-gaap_CommonStockSharesOutstanding_lbl1" xml:lang="en-US" id="us-gaap_CommonStockSharesOutstanding_lbl1"> Balance (in shares) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CommonStockSharesOutstanding" xlink:to="us-gaap_CommonStockSharesOutstanding_lbl1" xlink:title="label: CommonStockSharesOutstanding to us-gaap_CommonStockSharesOutstanding_lbl1"/>
<link:label xlink:type="resource" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_CommonStockSharesOutstanding_lbl2" xml:lang="en-US" id="us-gaap_CommonStockSharesOutstanding_lbl2"> Common stock, shares outstanding (in shares) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CommonStockSharesOutstanding" xlink:to="us-gaap_CommonStockSharesOutstanding_lbl2" xlink:title="label: CommonStockSharesOutstanding to us-gaap_CommonStockSharesOutstanding_lbl2"/>
<link:label xlink:type="resource" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl3" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="us-gaap_CommonStockSharesOutstanding_lbl3" xml:lang="en-US" id="us-gaap_CommonStockSharesOutstanding_lbl3"> Common stock, shares outstanding (in shares) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CommonStockSharesOutstanding" xlink:to="us-gaap_CommonStockSharesOutstanding_lbl3" xlink:title="label: CommonStockSharesOutstanding to us-gaap_CommonStockSharesOutstanding_lbl3"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CompensationRelatedCostsPolicyTextBlock" xlink:label="CompensationRelatedCostsPolicyTextBlock" xlink:title="CompensationRelatedCostsPolicyTextBlock"/>
<link:label xlink:type="resource" xlink:label="us-gaap_CompensationRelatedCostsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_CompensationRelatedCostsPolicyTextBlock_lbl" xml:lang="en-US" id="us-gaap_CompensationRelatedCostsPolicyTextBlock_lbl"> Stock-based Compensation </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CompensationRelatedCostsPolicyTextBlock" xlink:to="us-gaap_CompensationRelatedCostsPolicyTextBlock_lbl" xlink:title="label: CompensationRelatedCostsPolicyTextBlock to us-gaap_CompensationRelatedCostsPolicyTextBlock_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract" xlink:label="ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract" xlink:title="ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract_lbl" xml:lang="en-US" id="us-gaap_ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract_lbl"> Components of Deferred Tax Assets and Liabilities [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract" xlink:to="us-gaap_ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract_lbl" xlink:title="label: ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract to us-gaap_ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ConcentrationRiskCreditRisk" xlink:label="ConcentrationRiskCreditRisk" xlink:title="ConcentrationRiskCreditRisk"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskCreditRisk_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ConcentrationRiskCreditRisk_lbl" xml:lang="en-US" id="us-gaap_ConcentrationRiskCreditRisk_lbl"> Concentrations of Risks </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ConcentrationRiskCreditRisk" xlink:to="us-gaap_ConcentrationRiskCreditRisk_lbl" xlink:title="label: ConcentrationRiskCreditRisk to us-gaap_ConcentrationRiskCreditRisk_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ContractualObligationDueInSecondYear" xlink:label="ContractualObligationDueInSecondYear" xlink:title="ContractualObligationDueInSecondYear"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ContractualObligationDueInSecondYear_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="us-gaap_ContractualObligationDueInSecondYear_lbl" xml:lang="en-US" id="us-gaap_ContractualObligationDueInSecondYear_lbl"> 2015 </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ContractualObligationDueInSecondYear" xlink:to="us-gaap_ContractualObligationDueInSecondYear_lbl" xlink:title="label: ContractualObligationDueInSecondYear to us-gaap_ContractualObligationDueInSecondYear_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ContractualObligationDueInSecondYear_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ContractualObligationDueInSecondYear_lbl1" xml:lang="en-US" id="us-gaap_ContractualObligationDueInSecondYear_lbl1"> Contractual Obligation, Due in Second Year </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ContractualObligationDueInSecondYear" xlink:to="us-gaap_ContractualObligationDueInSecondYear_lbl1" xlink:title="label: ContractualObligationDueInSecondYear to us-gaap_ContractualObligationDueInSecondYear_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ContractualObligationDueInFifthYear" xlink:label="ContractualObligationDueInFifthYear" xlink:title="ContractualObligationDueInFifthYear"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ContractualObligationDueInFifthYear_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="us-gaap_ContractualObligationDueInFifthYear_lbl" xml:lang="en-US" id="us-gaap_ContractualObligationDueInFifthYear_lbl"> 2018 and thereafter </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ContractualObligationDueInFifthYear" xlink:to="us-gaap_ContractualObligationDueInFifthYear_lbl" xlink:title="label: ContractualObligationDueInFifthYear to us-gaap_ContractualObligationDueInFifthYear_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ContractualObligationDueInFifthYear_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ContractualObligationDueInFifthYear_lbl1" xml:lang="en-US" id="us-gaap_ContractualObligationDueInFifthYear_lbl1"> Contractual Obligation, Due in Fifth Year </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ContractualObligationDueInFifthYear" xlink:to="us-gaap_ContractualObligationDueInFifthYear_lbl1" xlink:title="label: ContractualObligationDueInFifthYear to us-gaap_ContractualObligationDueInFifthYear_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ContractualObligationFiscalYearMaturityScheduleTableTextBlock" xlink:label="ContractualObligationFiscalYearMaturityScheduleTableTextBlock" xlink:title="ContractualObligationFiscalYearMaturityScheduleTableTextBlock"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ContractualObligationFiscalYearMaturityScheduleTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="us-gaap_ContractualObligationFiscalYearMaturityScheduleTableTextBlock_lbl" xml:lang="en-US" id="us-gaap_ContractualObligationFiscalYearMaturityScheduleTableTextBlock_lbl"> Current Contractual Obligations </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ContractualObligationFiscalYearMaturityScheduleTableTextBlock" xlink:to="us-gaap_ContractualObligationFiscalYearMaturityScheduleTableTextBlock_lbl" xlink:title="label: ContractualObligationFiscalYearMaturityScheduleTableTextBlock to us-gaap_ContractualObligationFiscalYearMaturityScheduleTableTextBlock_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ContractualObligationFiscalYearMaturityScheduleTableTextBlock_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ContractualObligationFiscalYearMaturityScheduleTableTextBlock_lbl1" xml:lang="en-US" id="us-gaap_ContractualObligationFiscalYearMaturityScheduleTableTextBlock_lbl1"> Contractual Obligation, Fiscal Year Maturity Schedule [Table Text Block] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ContractualObligationFiscalYearMaturityScheduleTableTextBlock" xlink:to="us-gaap_ContractualObligationFiscalYearMaturityScheduleTableTextBlock_lbl1" xlink:title="label: ContractualObligationFiscalYearMaturityScheduleTableTextBlock to us-gaap_ContractualObligationFiscalYearMaturityScheduleTableTextBlock_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ContractualObligationDueInFourthYear" xlink:label="ContractualObligationDueInFourthYear" xlink:title="ContractualObligationDueInFourthYear"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ContractualObligationDueInFourthYear_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="us-gaap_ContractualObligationDueInFourthYear_lbl" xml:lang="en-US" id="us-gaap_ContractualObligationDueInFourthYear_lbl"> 2017 </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ContractualObligationDueInFourthYear" xlink:to="us-gaap_ContractualObligationDueInFourthYear_lbl" xlink:title="label: ContractualObligationDueInFourthYear to us-gaap_ContractualObligationDueInFourthYear_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ContractualObligationDueInFourthYear_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ContractualObligationDueInFourthYear_lbl1" xml:lang="en-US" id="us-gaap_ContractualObligationDueInFourthYear_lbl1"> Contractual Obligation, Due in Fourth Year </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ContractualObligationDueInFourthYear" xlink:to="us-gaap_ContractualObligationDueInFourthYear_lbl1" xlink:title="label: ContractualObligationDueInFourthYear to us-gaap_ContractualObligationDueInFourthYear_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ContractualObligationDueInNextTwelveMonths" xlink:label="ContractualObligationDueInNextTwelveMonths" xlink:title="ContractualObligationDueInNextTwelveMonths"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ContractualObligationDueInNextTwelveMonths_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="us-gaap_ContractualObligationDueInNextTwelveMonths_lbl" xml:lang="en-US" id="us-gaap_ContractualObligationDueInNextTwelveMonths_lbl"> 2014 </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ContractualObligationDueInNextTwelveMonths" xlink:to="us-gaap_ContractualObligationDueInNextTwelveMonths_lbl" xlink:title="label: ContractualObligationDueInNextTwelveMonths to us-gaap_ContractualObligationDueInNextTwelveMonths_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ContractualObligationDueInNextTwelveMonths_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ContractualObligationDueInNextTwelveMonths_lbl1" xml:lang="en-US" id="us-gaap_ContractualObligationDueInNextTwelveMonths_lbl1"> Contractual Obligation, Due in Next Twelve Months </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ContractualObligationDueInNextTwelveMonths" xlink:to="us-gaap_ContractualObligationDueInNextTwelveMonths_lbl1" xlink:title="label: ContractualObligationDueInNextTwelveMonths to us-gaap_ContractualObligationDueInNextTwelveMonths_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ContractualObligationDueInThirdYear" xlink:label="ContractualObligationDueInThirdYear" xlink:title="ContractualObligationDueInThirdYear"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ContractualObligationDueInThirdYear_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="us-gaap_ContractualObligationDueInThirdYear_lbl" xml:lang="en-US" id="us-gaap_ContractualObligationDueInThirdYear_lbl"> 2016 </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ContractualObligationDueInThirdYear" xlink:to="us-gaap_ContractualObligationDueInThirdYear_lbl" xlink:title="label: ContractualObligationDueInThirdYear to us-gaap_ContractualObligationDueInThirdYear_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ContractualObligationDueInThirdYear_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ContractualObligationDueInThirdYear_lbl1" xml:lang="en-US" id="us-gaap_ContractualObligationDueInThirdYear_lbl1"> Contractual Obligation, Due in Third Year </link:label>
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<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ContractualObligationFiscalYearMaturityAbstract" xlink:label="ContractualObligationFiscalYearMaturityAbstract" xlink:title="ContractualObligationFiscalYearMaturityAbstract"/>
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<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ContractualObligationFiscalYearMaturityAbstract" xlink:to="us-gaap_ContractualObligationFiscalYearMaturityAbstract_lbl" xlink:title="label: ContractualObligationFiscalYearMaturityAbstract to us-gaap_ContractualObligationFiscalYearMaturityAbstract_lbl"/>
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<link:label xlink:type="resource" xlink:label="us-gaap_ContractualObligation_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="us-gaap_ContractualObligation_lbl" xml:lang="en-US" id="us-gaap_ContractualObligation_lbl"> Total </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ContractualObligation" xlink:to="us-gaap_ContractualObligation_lbl" xlink:title="label: ContractualObligation to us-gaap_ContractualObligation_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ContractualObligation_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ContractualObligation_lbl1" xml:lang="en-US" id="us-gaap_ContractualObligation_lbl1"> Contractual Obligation </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ContractualObligation" xlink:to="us-gaap_ContractualObligation_lbl1" xlink:title="label: ContractualObligation to us-gaap_ContractualObligation_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CostsAndExpenses" xlink:label="CostsAndExpenses" xlink:title="CostsAndExpenses"/>
<link:label xlink:type="resource" xlink:label="us-gaap_CostsAndExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="us-gaap_CostsAndExpenses_lbl" xml:lang="en-US" id="us-gaap_CostsAndExpenses_lbl"> Total Expenses </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CostsAndExpenses" xlink:to="us-gaap_CostsAndExpenses_lbl" xlink:title="label: CostsAndExpenses to us-gaap_CostsAndExpenses_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_CostsAndExpenses_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_CostsAndExpenses_lbl1" xml:lang="en-US" id="us-gaap_CostsAndExpenses_lbl1"> Costs and Expenses </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CostsAndExpenses" xlink:to="us-gaap_CostsAndExpenses_lbl1" xlink:title="label: CostsAndExpenses to us-gaap_CostsAndExpenses_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment" xlink:label="DeferredTaxAssetsPropertyPlantAndEquipment" xlink:title="DeferredTaxAssetsPropertyPlantAndEquipment"/>
<link:label xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment_lbl" xml:lang="en-US" id="us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment_lbl"> Equipment, furnishings and other </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DeferredTaxAssetsPropertyPlantAndEquipment" xlink:to="us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment_lbl" xlink:title="label: DeferredTaxAssetsPropertyPlantAndEquipment to us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DeferredIncomeTaxLiabilities" xlink:label="DeferredIncomeTaxLiabilities" xlink:title="DeferredIncomeTaxLiabilities"/>
<link:label xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxLiabilities_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="us-gaap_DeferredIncomeTaxLiabilities_lbl" xml:lang="en-US" id="us-gaap_DeferredIncomeTaxLiabilities_lbl"> Deferred tax liabilities </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DeferredIncomeTaxLiabilities" xlink:to="us-gaap_DeferredIncomeTaxLiabilities_lbl" xlink:title="label: DeferredIncomeTaxLiabilities to us-gaap_DeferredIncomeTaxLiabilities_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxLiabilities_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_DeferredIncomeTaxLiabilities_lbl1" xml:lang="en-US" id="us-gaap_DeferredIncomeTaxLiabilities_lbl1"> Deferred Tax Liabilities, Gross </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DeferredIncomeTaxLiabilities" xlink:to="us-gaap_DeferredIncomeTaxLiabilities_lbl1" xlink:title="label: DeferredIncomeTaxLiabilities to us-gaap_DeferredIncomeTaxLiabilities_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DeferredTaxAssetsLiabilitiesNet" xlink:label="DeferredTaxAssetsLiabilitiesNet" xlink:title="DeferredTaxAssetsLiabilitiesNet"/>
<link:label xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsLiabilitiesNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="us-gaap_DeferredTaxAssetsLiabilitiesNet_lbl" xml:lang="en-US" id="us-gaap_DeferredTaxAssetsLiabilitiesNet_lbl"> Net deferred tax assets </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DeferredTaxAssetsLiabilitiesNet" xlink:to="us-gaap_DeferredTaxAssetsLiabilitiesNet_lbl" xlink:title="label: DeferredTaxAssetsLiabilitiesNet to us-gaap_DeferredTaxAssetsLiabilitiesNet_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsLiabilitiesNet_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_DeferredTaxAssetsLiabilitiesNet_lbl1" xml:lang="en-US" id="us-gaap_DeferredTaxAssetsLiabilitiesNet_lbl1"> Deferred Tax Assets, Net </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DeferredTaxAssetsLiabilitiesNet" xlink:to="us-gaap_DeferredTaxAssetsLiabilitiesNet_lbl1" xlink:title="label: DeferredTaxAssetsLiabilitiesNet to us-gaap_DeferredTaxAssetsLiabilitiesNet_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DeferredTaxAssetsGross" xlink:label="DeferredTaxAssetsGross" xlink:title="DeferredTaxAssetsGross"/>
<link:label xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsGross_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="us-gaap_DeferredTaxAssetsGross_lbl" xml:lang="en-US" id="us-gaap_DeferredTaxAssetsGross_lbl"> Total deferred tax assets </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DeferredTaxAssetsGross" xlink:to="us-gaap_DeferredTaxAssetsGross_lbl" xlink:title="label: DeferredTaxAssetsGross to us-gaap_DeferredTaxAssetsGross_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsGross_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_DeferredTaxAssetsGross_lbl1" xml:lang="en-US" id="us-gaap_DeferredTaxAssetsGross_lbl1"> Deferred Tax Assets, Gross </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DeferredTaxAssetsGross" xlink:to="us-gaap_DeferredTaxAssetsGross_lbl1" xlink:title="label: DeferredTaxAssetsGross to us-gaap_DeferredTaxAssetsGross_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DeferredTaxAssetsNet" xlink:label="DeferredTaxAssetsNet" xlink:title="DeferredTaxAssetsNet"/>
<link:label xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="us-gaap_DeferredTaxAssetsNet_lbl" xml:lang="en-US" id="us-gaap_DeferredTaxAssetsNet_lbl"> Deferred Tax Assets, Net of Valuation Allowance </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DeferredTaxAssetsNet" xlink:to="us-gaap_DeferredTaxAssetsNet_lbl" xlink:title="label: DeferredTaxAssetsNet to us-gaap_DeferredTaxAssetsNet_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsNet_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_DeferredTaxAssetsNet_lbl1" xml:lang="en-US" id="us-gaap_DeferredTaxAssetsNet_lbl1"> Deferred Tax Assets, Net of Valuation Allowance </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DeferredTaxAssetsNet" xlink:to="us-gaap_DeferredTaxAssetsNet_lbl1" xlink:title="label: DeferredTaxAssetsNet to us-gaap_DeferredTaxAssetsNet_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DeferredTaxAssetsNetAbstract" xlink:label="DeferredTaxAssetsNetAbstract" xlink:title="DeferredTaxAssetsNetAbstract"/>
<link:label xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsNetAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_DeferredTaxAssetsNetAbstract_lbl" xml:lang="en-US" id="us-gaap_DeferredTaxAssetsNetAbstract_lbl"> Deferred tax assets [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DeferredTaxAssetsNetAbstract" xlink:to="us-gaap_DeferredTaxAssetsNetAbstract_lbl" xlink:title="label: DeferredTaxAssetsNetAbstract to us-gaap_DeferredTaxAssetsNetAbstract_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DeferredTaxAssetsOperatingLossCarryforwards" xlink:label="DeferredTaxAssetsOperatingLossCarryforwards" xlink:title="DeferredTaxAssetsOperatingLossCarryforwards"/>
<link:label xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_lbl" xml:lang="en-US" id="us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_lbl"> Net operating loss carryforwards </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DeferredTaxAssetsOperatingLossCarryforwards" xlink:to="us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_lbl" xlink:title="label: DeferredTaxAssetsOperatingLossCarryforwards to us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DeferredTaxAssetsTaxCreditCarryforwards" xlink:label="DeferredTaxAssetsTaxCreditCarryforwards" xlink:title="DeferredTaxAssetsTaxCreditCarryforwards"/>
<link:label xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsTaxCreditCarryforwards_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_DeferredTaxAssetsTaxCreditCarryforwards_lbl" xml:lang="en-US" id="us-gaap_DeferredTaxAssetsTaxCreditCarryforwards_lbl"> Tax credit carryforwards </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DeferredTaxAssetsTaxCreditCarryforwards" xlink:to="us-gaap_DeferredTaxAssetsTaxCreditCarryforwards_lbl" xlink:title="label: DeferredTaxAssetsTaxCreditCarryforwards to us-gaap_DeferredTaxAssetsTaxCreditCarryforwards_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DeferredTaxAssetsValuationAllowance" xlink:label="DeferredTaxAssetsValuationAllowance" xlink:title="DeferredTaxAssetsValuationAllowance"/>
<link:label xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsValuationAllowance_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="us-gaap_DeferredTaxAssetsValuationAllowance_lbl" xml:lang="en-US" id="us-gaap_DeferredTaxAssetsValuationAllowance_lbl"> Valuation allowance </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DeferredTaxAssetsValuationAllowance" xlink:to="us-gaap_DeferredTaxAssetsValuationAllowance_lbl" xlink:title="label: DeferredTaxAssetsValuationAllowance to us-gaap_DeferredTaxAssetsValuationAllowance_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_DeferredTaxAssetsValuationAllowance_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_DeferredTaxAssetsValuationAllowance_lbl1" xml:lang="en-US" id="us-gaap_DeferredTaxAssetsValuationAllowance_lbl1"> Deferred Tax Assets, Valuation Allowance </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DeferredTaxAssetsValuationAllowance" xlink:to="us-gaap_DeferredTaxAssetsValuationAllowance_lbl1" xlink:title="label: DeferredTaxAssetsValuationAllowance to us-gaap_DeferredTaxAssetsValuationAllowance_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DepreciationAndAmortization" xlink:label="DepreciationAndAmortization" xlink:title="DepreciationAndAmortization"/>
<link:label xlink:type="resource" xlink:label="us-gaap_DepreciationAndAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_DepreciationAndAmortization_lbl" xml:lang="en-US" id="us-gaap_DepreciationAndAmortization_lbl"> Depreciation and amortization </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DepreciationAndAmortization" xlink:to="us-gaap_DepreciationAndAmortization_lbl" xlink:title="label: DepreciationAndAmortization to us-gaap_DepreciationAndAmortization_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DepreciationDepletionAndAmortization" xlink:label="DepreciationDepletionAndAmortization" xlink:title="DepreciationDepletionAndAmortization"/>
<link:label xlink:type="resource" xlink:label="us-gaap_DepreciationDepletionAndAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="us-gaap_DepreciationDepletionAndAmortization_lbl" xml:lang="en-US" id="us-gaap_DepreciationDepletionAndAmortization_lbl"> Depreciation and amortization </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DepreciationDepletionAndAmortization" xlink:to="us-gaap_DepreciationDepletionAndAmortization_lbl" xlink:title="label: DepreciationDepletionAndAmortization to us-gaap_DepreciationDepletionAndAmortization_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_DepreciationDepletionAndAmortization_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_DepreciationDepletionAndAmortization_lbl1" xml:lang="en-US" id="us-gaap_DepreciationDepletionAndAmortization_lbl1"> Depreciation, Depletion and Amortization </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DepreciationDepletionAndAmortization" xlink:to="us-gaap_DepreciationDepletionAndAmortization_lbl1" xlink:title="label: DepreciationDepletionAndAmortization to us-gaap_DepreciationDepletionAndAmortization_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DerivativeLineItems" xlink:label="DerivativeLineItems" xlink:title="DerivativeLineItems"/>
<link:label xlink:type="resource" xlink:label="us-gaap_DerivativeLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_DerivativeLineItems_lbl" xml:lang="en-US" id="us-gaap_DerivativeLineItems_lbl"> Derivative [Line Items] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DerivativeLineItems" xlink:to="us-gaap_DerivativeLineItems_lbl" xlink:title="label: DerivativeLineItems to us-gaap_DerivativeLineItems_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DerivativeTable" xlink:label="DerivativeTable" xlink:title="DerivativeTable"/>
<link:label xlink:type="resource" xlink:label="us-gaap_DerivativeTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_DerivativeTable_lbl" xml:lang="en-US" id="us-gaap_DerivativeTable_lbl"> Derivative [Table] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DerivativeTable" xlink:to="us-gaap_DerivativeTable_lbl" xlink:title="label: DerivativeTable to us-gaap_DerivativeTable_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DerivativeLiabilitiesCurrent" xlink:label="DerivativeLiabilitiesCurrent" xlink:title="DerivativeLiabilitiesCurrent"/>
<link:label xlink:type="resource" xlink:label="us-gaap_DerivativeLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_DerivativeLiabilitiesCurrent_lbl" xml:lang="en-US" id="us-gaap_DerivativeLiabilitiesCurrent_lbl"> Warrant liabilities </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DerivativeLiabilitiesCurrent" xlink:to="us-gaap_DerivativeLiabilitiesCurrent_lbl" xlink:title="label: DerivativeLiabilitiesCurrent to us-gaap_DerivativeLiabilitiesCurrent_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_DerivativeLiabilitiesCurrent_lbl1" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:title="us-gaap_DerivativeLiabilitiesCurrent_lbl1" xml:lang="en-US" id="us-gaap_DerivativeLiabilitiesCurrent_lbl1"> Beginning balance </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DerivativeLiabilitiesCurrent" xlink:to="us-gaap_DerivativeLiabilitiesCurrent_lbl1" xlink:title="label: DerivativeLiabilitiesCurrent to us-gaap_DerivativeLiabilitiesCurrent_lbl1"/>
<link:label xlink:type="resource" xlink:label="us-gaap_DerivativeLiabilitiesCurrent_lbl2" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:title="us-gaap_DerivativeLiabilitiesCurrent_lbl2" xml:lang="en-US" id="us-gaap_DerivativeLiabilitiesCurrent_lbl2"> Ending balance </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DerivativeLiabilitiesCurrent" xlink:to="us-gaap_DerivativeLiabilitiesCurrent_lbl2" xlink:title="label: DerivativeLiabilitiesCurrent to us-gaap_DerivativeLiabilitiesCurrent_lbl2"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DerivativeByNatureAxis" xlink:label="DerivativeByNatureAxis" xlink:title="DerivativeByNatureAxis"/>
<link:label xlink:type="resource" xlink:label="us-gaap_DerivativeByNatureAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_DerivativeByNatureAxis_lbl" xml:lang="en-US" id="us-gaap_DerivativeByNatureAxis_lbl"> Derivative, by Nature [Axis] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DerivativeByNatureAxis" xlink:to="us-gaap_DerivativeByNatureAxis_lbl" xlink:title="label: DerivativeByNatureAxis to us-gaap_DerivativeByNatureAxis_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DerivativeGainLossOnDerivativeNet" xlink:label="DerivativeGainLossOnDerivativeNet" xlink:title="DerivativeGainLossOnDerivativeNet"/>
<link:label xlink:type="resource" xlink:label="us-gaap_DerivativeGainLossOnDerivativeNet_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="us-gaap_DerivativeGainLossOnDerivativeNet_lbl" xml:lang="en-US" id="us-gaap_DerivativeGainLossOnDerivativeNet_lbl"> Gain (loss) on warrant liability </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DerivativeGainLossOnDerivativeNet" xlink:to="us-gaap_DerivativeGainLossOnDerivativeNet_lbl" xlink:title="label: DerivativeGainLossOnDerivativeNet to us-gaap_DerivativeGainLossOnDerivativeNet_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_DerivativeGainLossOnDerivativeNet_lbl1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="us-gaap_DerivativeGainLossOnDerivativeNet_lbl1" xml:lang="en-US" id="us-gaap_DerivativeGainLossOnDerivativeNet_lbl1"> (Loss) Gain on warrant liabilities </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DerivativeGainLossOnDerivativeNet" xlink:to="us-gaap_DerivativeGainLossOnDerivativeNet_lbl1" xlink:title="label: DerivativeGainLossOnDerivativeNet to us-gaap_DerivativeGainLossOnDerivativeNet_lbl1"/>
<link:label xlink:type="resource" xlink:label="us-gaap_DerivativeGainLossOnDerivativeNet_lbl2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_DerivativeGainLossOnDerivativeNet_lbl2" xml:lang="en-US" id="us-gaap_DerivativeGainLossOnDerivativeNet_lbl2"> Gain (loss) on warrant liability </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DerivativeGainLossOnDerivativeNet" xlink:to="us-gaap_DerivativeGainLossOnDerivativeNet_lbl2" xlink:title="label: DerivativeGainLossOnDerivativeNet to us-gaap_DerivativeGainLossOnDerivativeNet_lbl2"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DerivativeNameDomain" xlink:label="DerivativeNameDomain" xlink:title="DerivativeNameDomain"/>
<link:label xlink:type="resource" xlink:label="us-gaap_DerivativeNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_DerivativeNameDomain_lbl" xml:lang="en-US" id="us-gaap_DerivativeNameDomain_lbl"> Derivative, Name [Domain] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DerivativeNameDomain" xlink:to="us-gaap_DerivativeNameDomain_lbl" xlink:title="label: DerivativeNameDomain to us-gaap_DerivativeNameDomain_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DirectorMember" xlink:label="DirectorMember" xlink:title="DirectorMember"/>
<link:label xlink:type="resource" xlink:label="us-gaap_DirectorMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="us-gaap_DirectorMember_lbl" xml:lang="en-US" id="us-gaap_DirectorMember_lbl"> Directors [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DirectorMember" xlink:to="us-gaap_DirectorMember_lbl" xlink:title="label: DirectorMember to us-gaap_DirectorMember_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_DirectorMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_DirectorMember_lbl1" xml:lang="en-US" id="us-gaap_DirectorMember_lbl1"> Director [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DirectorMember" xlink:to="us-gaap_DirectorMember_lbl1" xlink:title="label: DirectorMember to us-gaap_DirectorMember_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" xlink:label="DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" xlink:title="DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock"/>
<link:label xlink:type="resource" xlink:label="us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_lbl" xml:lang="en-US" id="us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_lbl"> Stock Options and Warrants </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" xlink:to="us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_lbl" xlink:title="label: DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock to us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_lbl1" xml:lang="en-US" id="us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_lbl1"> Disclosure of Compensation Related Costs, Share-based Payments [Text Block] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" xlink:to="us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_lbl1" xlink:title="label: DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock to us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:label="DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:title="DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract"/>
<link:label xlink:type="resource" xlink:label="us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_lbl" xml:lang="en-US" id="us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_lbl"> Stock Options and Warrants [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:to="us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_lbl" xlink:title="label: DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract to us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DomesticCountryMember" xlink:label="DomesticCountryMember" xlink:title="DomesticCountryMember"/>
<link:label xlink:type="resource" xlink:label="us-gaap_DomesticCountryMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_DomesticCountryMember_lbl" xml:lang="en-US" id="us-gaap_DomesticCountryMember_lbl"> Federal [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DomesticCountryMember" xlink:to="us-gaap_DomesticCountryMember_lbl" xlink:title="label: DomesticCountryMember to us-gaap_DomesticCountryMember_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EarningsPerShareBasicAndDiluted" xlink:label="EarningsPerShareBasicAndDiluted" xlink:title="EarningsPerShareBasicAndDiluted"/>
<link:label xlink:type="resource" xlink:label="us-gaap_EarningsPerShareBasicAndDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_EarningsPerShareBasicAndDiluted_lbl" xml:lang="en-US" id="us-gaap_EarningsPerShareBasicAndDiluted_lbl"> Basic and diluted loss per share </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EarningsPerShareBasicAndDiluted" xlink:to="us-gaap_EarningsPerShareBasicAndDiluted_lbl" xlink:title="label: EarningsPerShareBasicAndDiluted to us-gaap_EarningsPerShareBasicAndDiluted_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_EarningsPerShareBasicAndDiluted_lbl1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="us-gaap_EarningsPerShareBasicAndDiluted_lbl1" xml:lang="en-US" id="us-gaap_EarningsPerShareBasicAndDiluted_lbl1"> Basic and diluted income (loss) per share applicable to common stock (in dollars per share) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EarningsPerShareBasicAndDiluted" xlink:to="us-gaap_EarningsPerShareBasicAndDiluted_lbl1" xlink:title="label: EarningsPerShareBasicAndDiluted to us-gaap_EarningsPerShareBasicAndDiluted_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EarningsPerSharePolicyTextBlock" xlink:label="EarningsPerSharePolicyTextBlock" xlink:title="EarningsPerSharePolicyTextBlock"/>
<link:label xlink:type="resource" xlink:label="us-gaap_EarningsPerSharePolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="us-gaap_EarningsPerSharePolicyTextBlock_lbl" xml:lang="en-US" id="us-gaap_EarningsPerSharePolicyTextBlock_lbl"> Net Income (Loss) Per Share </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EarningsPerSharePolicyTextBlock" xlink:to="us-gaap_EarningsPerSharePolicyTextBlock_lbl" xlink:title="label: EarningsPerSharePolicyTextBlock to us-gaap_EarningsPerSharePolicyTextBlock_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_EarningsPerSharePolicyTextBlock_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_EarningsPerSharePolicyTextBlock_lbl1" xml:lang="en-US" id="us-gaap_EarningsPerSharePolicyTextBlock_lbl1"> Earnings Per Share, Policy [Policy Text Block] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EarningsPerSharePolicyTextBlock" xlink:to="us-gaap_EarningsPerSharePolicyTextBlock_lbl1" xlink:title="label: EarningsPerSharePolicyTextBlock to us-gaap_EarningsPerSharePolicyTextBlock_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EmployeeRelatedLiabilitiesCurrent" xlink:label="EmployeeRelatedLiabilitiesCurrent" xlink:title="EmployeeRelatedLiabilitiesCurrent"/>
<link:label xlink:type="resource" xlink:label="us-gaap_EmployeeRelatedLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_EmployeeRelatedLiabilitiesCurrent_lbl" xml:lang="en-US" id="us-gaap_EmployeeRelatedLiabilitiesCurrent_lbl"> Wages, bonuses and employee benefits </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EmployeeRelatedLiabilitiesCurrent" xlink:to="us-gaap_EmployeeRelatedLiabilitiesCurrent_lbl" xlink:title="label: EmployeeRelatedLiabilitiesCurrent to us-gaap_EmployeeRelatedLiabilitiesCurrent_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EmployeeStockOptionMember" xlink:label="EmployeeStockOptionMember" xlink:title="EmployeeStockOptionMember"/>
<link:label xlink:type="resource" xlink:label="us-gaap_EmployeeStockOptionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="us-gaap_EmployeeStockOptionMember_lbl" xml:lang="en-US" id="us-gaap_EmployeeStockOptionMember_lbl"> Stock Options [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EmployeeStockOptionMember" xlink:to="us-gaap_EmployeeStockOptionMember_lbl" xlink:title="label: EmployeeStockOptionMember to us-gaap_EmployeeStockOptionMember_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_EmployeeStockOptionMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_EmployeeStockOptionMember_lbl1" xml:lang="en-US" id="us-gaap_EmployeeStockOptionMember_lbl1"> Stock Options [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EmployeeStockOptionMember" xlink:to="us-gaap_EmployeeStockOptionMember_lbl1" xlink:title="label: EmployeeStockOptionMember to us-gaap_EmployeeStockOptionMember_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized" xlink:label="EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized" xlink:title="EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized"/>
<link:label xlink:type="resource" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_lbl" xml:lang="en-US" id="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_lbl"> Unrecognized compensation expense related to unvested stock options, granted </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized" xlink:to="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_lbl" xlink:title="label: EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized to us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1" xlink:label="EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1" xlink:title="EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1"/>
<link:label xlink:type="resource" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_lbl" xml:lang="en-US" id="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_lbl"> Unrecognized compensation cost, recognized as expense over a weighted-average period </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1" xlink:to="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_lbl" xlink:title="label: EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1 to us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EquipmentMember" xlink:label="EquipmentMember" xlink:title="EquipmentMember"/>
<link:label xlink:type="resource" xlink:label="us-gaap_EquipmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="us-gaap_EquipmentMember_lbl" xml:lang="en-US" id="us-gaap_EquipmentMember_lbl"> Equipment and furnishings [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EquipmentMember" xlink:to="us-gaap_EquipmentMember_lbl" xlink:title="label: EquipmentMember to us-gaap_EquipmentMember_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_EquipmentMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_EquipmentMember_lbl1" xml:lang="en-US" id="us-gaap_EquipmentMember_lbl1"> Equipment [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EquipmentMember" xlink:to="us-gaap_EquipmentMember_lbl1" xlink:title="label: EquipmentMember to us-gaap_EquipmentMember_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EquityMethodInvestmentsDisclosureTextBlock" xlink:label="EquityMethodInvestmentsDisclosureTextBlock" xlink:title="EquityMethodInvestmentsDisclosureTextBlock"/>
<link:label xlink:type="resource" xlink:label="us-gaap_EquityMethodInvestmentsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="us-gaap_EquityMethodInvestmentsDisclosureTextBlock_lbl" xml:lang="en-US" id="us-gaap_EquityMethodInvestmentsDisclosureTextBlock_lbl"> Investments in ADVENTRX Pharmaceuticals </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EquityMethodInvestmentsDisclosureTextBlock" xlink:to="us-gaap_EquityMethodInvestmentsDisclosureTextBlock_lbl" xlink:title="label: EquityMethodInvestmentsDisclosureTextBlock to us-gaap_EquityMethodInvestmentsDisclosureTextBlock_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_EquityMethodInvestmentsDisclosureTextBlock_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_EquityMethodInvestmentsDisclosureTextBlock_lbl1" xml:lang="en-US" id="us-gaap_EquityMethodInvestmentsDisclosureTextBlock_lbl1"> Equity Method Investments and Joint Ventures Disclosure [Text Block] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EquityMethodInvestmentsDisclosureTextBlock" xlink:to="us-gaap_EquityMethodInvestmentsDisclosureTextBlock_lbl1" xlink:title="label: EquityMethodInvestmentsDisclosureTextBlock to us-gaap_EquityMethodInvestmentsDisclosureTextBlock_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EquityMethodInvestmentOwnershipPercentage" xlink:label="EquityMethodInvestmentOwnershipPercentage" xlink:title="EquityMethodInvestmentOwnershipPercentage"/>
<link:label xlink:type="resource" xlink:label="us-gaap_EquityMethodInvestmentOwnershipPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="us-gaap_EquityMethodInvestmentOwnershipPercentage_lbl" xml:lang="en-US" id="us-gaap_EquityMethodInvestmentOwnershipPercentage_lbl"> Equity investment, ownership percentage (in hundredths) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EquityMethodInvestmentOwnershipPercentage" xlink:to="us-gaap_EquityMethodInvestmentOwnershipPercentage_lbl" xlink:title="label: EquityMethodInvestmentOwnershipPercentage to us-gaap_EquityMethodInvestmentOwnershipPercentage_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_EquityMethodInvestmentOwnershipPercentage_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_EquityMethodInvestmentOwnershipPercentage_lbl1" xml:lang="en-US" id="us-gaap_EquityMethodInvestmentOwnershipPercentage_lbl1"> Equity Method Investment, Ownership Percentage </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EquityMethodInvestmentOwnershipPercentage" xlink:to="us-gaap_EquityMethodInvestmentOwnershipPercentage_lbl1" xlink:title="label: EquityMethodInvestmentOwnershipPercentage to us-gaap_EquityMethodInvestmentOwnershipPercentage_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EquityMethodInvesteeNameDomain" xlink:label="EquityMethodInvesteeNameDomain" xlink:title="EquityMethodInvesteeNameDomain"/>
<link:label xlink:type="resource" xlink:label="us-gaap_EquityMethodInvesteeNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_EquityMethodInvesteeNameDomain_lbl" xml:lang="en-US" id="us-gaap_EquityMethodInvesteeNameDomain_lbl"> Equity Method Investment [Domain] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EquityMethodInvesteeNameDomain" xlink:to="us-gaap_EquityMethodInvesteeNameDomain_lbl" xlink:title="label: EquityMethodInvesteeNameDomain to us-gaap_EquityMethodInvesteeNameDomain_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="EquityComponentDomain" xlink:title="EquityComponentDomain"/>
<link:label xlink:type="resource" xlink:label="us-gaap_EquityComponentDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_EquityComponentDomain_lbl" xml:lang="en-US" id="us-gaap_EquityComponentDomain_lbl"> Equity Component [Domain] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EquityComponentDomain" xlink:to="us-gaap_EquityComponentDomain_lbl" xlink:title="label: EquityComponentDomain to us-gaap_EquityComponentDomain_lbl"/>
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<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:label="FairValueByFairValueHierarchyLevelAxis" xlink:title="FairValueByFairValueHierarchyLevelAxis"/>
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<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FairValueMeasurementsRecurringMember" xlink:to="us-gaap_FairValueMeasurementsRecurringMember_lbl" xlink:title="label: FairValueMeasurementsRecurringMember to us-gaap_FairValueMeasurementsRecurringMember_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueMeasurementFrequencyDomain" xlink:label="FairValueMeasurementFrequencyDomain" xlink:title="FairValueMeasurementFrequencyDomain"/>
<link:label xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementFrequencyDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_FairValueMeasurementFrequencyDomain_lbl" xml:lang="en-US" id="us-gaap_FairValueMeasurementFrequencyDomain_lbl"> Fair Value, Measurement Frequency [Domain] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FairValueMeasurementFrequencyDomain" xlink:to="us-gaap_FairValueMeasurementFrequencyDomain_lbl" xlink:title="label: FairValueMeasurementFrequencyDomain to us-gaap_FairValueMeasurementFrequencyDomain_lbl"/>
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<link:label xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_FairValueMeasurementPolicyPolicyTextBlock_lbl" xml:lang="en-US" id="us-gaap_FairValueMeasurementPolicyPolicyTextBlock_lbl"> Fair Value Measurements </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FairValueMeasurementPolicyPolicyTextBlock" xlink:to="us-gaap_FairValueMeasurementPolicyPolicyTextBlock_lbl" xlink:title="label: FairValueMeasurementPolicyPolicyTextBlock to us-gaap_FairValueMeasurementPolicyPolicyTextBlock_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:label="FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:title="FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems"/>
<link:label xlink:type="resource" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_lbl" xml:lang="en-US" id="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_lbl"> Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:to="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_lbl" xlink:title="label: FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems to us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="FairValueMeasurementsFairValueHierarchyDomain" xlink:title="FairValueMeasurementsFairValueHierarchyDomain"/>
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<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FairValueMeasurementsFairValueHierarchyDomain" xlink:to="us-gaap_FairValueMeasurementsFairValueHierarchyDomain_lbl" xlink:title="label: FairValueMeasurementsFairValueHierarchyDomain to us-gaap_FairValueMeasurementsFairValueHierarchyDomain_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisAbstract" xlink:label="FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisAbstract" xlink:title="FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisAbstract"/>
<link:label xlink:type="resource" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisAbstract_lbl" xml:lang="en-US" id="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisAbstract_lbl"> Fair value measurements by level for assets and liabilities measured at fair value on a recurring basis </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisAbstract" xlink:to="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisAbstract_lbl" xlink:title="label: FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisAbstract to us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisAbstract_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueInputsLevel3Member" xlink:label="FairValueInputsLevel3Member" xlink:title="FairValueInputsLevel3Member"/>
<link:label xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel3Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_FairValueInputsLevel3Member_lbl" xml:lang="en-US" id="us-gaap_FairValueInputsLevel3Member_lbl"> Level III [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FairValueInputsLevel3Member" xlink:to="us-gaap_FairValueInputsLevel3Member_lbl" xlink:title="label: FairValueInputsLevel3Member to us-gaap_FairValueInputsLevel3Member_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueInputsLevel1Member" xlink:label="FairValueInputsLevel1Member" xlink:title="FairValueInputsLevel1Member"/>
<link:label xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel1Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_FairValueInputsLevel1Member_lbl" xml:lang="en-US" id="us-gaap_FairValueInputsLevel1Member_lbl"> Level I [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FairValueInputsLevel1Member" xlink:to="us-gaap_FairValueInputsLevel1Member_lbl" xlink:title="label: FairValueInputsLevel1Member to us-gaap_FairValueInputsLevel1Member_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueInputsLevel2Member" xlink:label="FairValueInputsLevel2Member" xlink:title="FairValueInputsLevel2Member"/>
<link:label xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel2Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_FairValueInputsLevel2Member_lbl" xml:lang="en-US" id="us-gaap_FairValueInputsLevel2Member_lbl"> Level II [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FairValueInputsLevel2Member" xlink:to="us-gaap_FairValueInputsLevel2Member_lbl" xlink:title="label: FairValueInputsLevel2Member to us-gaap_FairValueInputsLevel2Member_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ForeignCurrencyTransactionGainLossUnrealized" xlink:label="ForeignCurrencyTransactionGainLossUnrealized" xlink:title="ForeignCurrencyTransactionGainLossUnrealized"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ForeignCurrencyTransactionGainLossUnrealized_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="us-gaap_ForeignCurrencyTransactionGainLossUnrealized_lbl" xml:lang="en-US" id="us-gaap_ForeignCurrencyTransactionGainLossUnrealized_lbl"> Foreign exchange (gain) loss </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ForeignCurrencyTransactionGainLossUnrealized" xlink:to="us-gaap_ForeignCurrencyTransactionGainLossUnrealized_lbl" xlink:title="label: ForeignCurrencyTransactionGainLossUnrealized to us-gaap_ForeignCurrencyTransactionGainLossUnrealized_lbl"/>
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<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ForeignCurrencyTransactionGainLossBeforeTax" xlink:to="us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_lbl" xlink:title="label: ForeignCurrencyTransactionGainLossBeforeTax to us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_lbl"/>
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<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ForeignCurrencyTransactionGainLossBeforeTax" xlink:to="us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_lbl1" xlink:title="label: ForeignCurrencyTransactionGainLossBeforeTax to us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_GainLossOnDispositionOfAssets" xlink:label="GainLossOnDispositionOfAssets" xlink:title="GainLossOnDispositionOfAssets"/>
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<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_GeneralAndAdministrativeExpense" xlink:label="GeneralAndAdministrativeExpense" xlink:title="GeneralAndAdministrativeExpense"/>
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<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_Goodwill" xlink:label="Goodwill" xlink:title="Goodwill"/>
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<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock" xlink:label="ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock" xlink:title="ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock"/>
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<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IncomeTaxExpenseBenefit" xlink:to="us-gaap_IncomeTaxExpenseBenefit_lbl1" xlink:title="label: IncomeTaxExpenseBenefit to us-gaap_IncomeTaxExpenseBenefit_lbl1"/>
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<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:label="MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:title="MajorTypesOfDebtAndEquitySecuritiesDomain"/>
<link:label xlink:type="resource" xlink:label="us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_lbl" xml:lang="en-US" id="us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_lbl"> Major Types of Debt and Equity Securities [Domain] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:to="us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_lbl" xlink:title="label: MajorTypesOfDebtAndEquitySecuritiesDomain to us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_MarketableSecuritiesAbstract" xlink:label="MarketableSecuritiesAbstract" xlink:title="MarketableSecuritiesAbstract"/>
<link:label xlink:type="resource" xlink:label="us-gaap_MarketableSecuritiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_MarketableSecuritiesAbstract_lbl" xml:lang="en-US" id="us-gaap_MarketableSecuritiesAbstract_lbl"> Short-term Investments [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MarketableSecuritiesAbstract" xlink:to="us-gaap_MarketableSecuritiesAbstract_lbl" xlink:title="label: MarketableSecuritiesAbstract to us-gaap_MarketableSecuritiesAbstract_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_MarketableSecuritiesPolicy" xlink:label="MarketableSecuritiesPolicy" xlink:title="MarketableSecuritiesPolicy"/>
<link:label xlink:type="resource" xlink:label="us-gaap_MarketableSecuritiesPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="us-gaap_MarketableSecuritiesPolicy_lbl" xml:lang="en-US" id="us-gaap_MarketableSecuritiesPolicy_lbl"> Short-term Investments </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MarketableSecuritiesPolicy" xlink:to="us-gaap_MarketableSecuritiesPolicy_lbl" xlink:title="label: MarketableSecuritiesPolicy to us-gaap_MarketableSecuritiesPolicy_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_MarketableSecuritiesPolicy_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_MarketableSecuritiesPolicy_lbl1" xml:lang="en-US" id="us-gaap_MarketableSecuritiesPolicy_lbl1"> Marketable Securities, Policy [Policy Text Block] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MarketableSecuritiesPolicy" xlink:to="us-gaap_MarketableSecuritiesPolicy_lbl1" xlink:title="label: MarketableSecuritiesPolicy to us-gaap_MarketableSecuritiesPolicy_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_MaximumMember" xlink:label="MaximumMember" xlink:title="MaximumMember"/>
<link:label xlink:type="resource" xlink:label="us-gaap_MaximumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_MaximumMember_lbl" xml:lang="en-US" id="us-gaap_MaximumMember_lbl"> Maximum [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MaximumMember" xlink:to="us-gaap_MaximumMember_lbl" xlink:title="label: MaximumMember to us-gaap_MaximumMember_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_MinimumMember" xlink:label="MinimumMember" xlink:title="MinimumMember"/>
<link:label xlink:type="resource" xlink:label="us-gaap_MinimumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_MinimumMember_lbl" xml:lang="en-US" id="us-gaap_MinimumMember_lbl"> Minimum [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MinimumMember" xlink:to="us-gaap_MinimumMember_lbl" xlink:title="label: MinimumMember to us-gaap_MinimumMember_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_MovementInValuationAllowancesAndReservesRollForward" xlink:label="MovementInValuationAllowancesAndReservesRollForward" xlink:title="MovementInValuationAllowancesAndReservesRollForward"/>
<link:label xlink:type="resource" xlink:label="us-gaap_MovementInValuationAllowancesAndReservesRollForward_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_MovementInValuationAllowancesAndReservesRollForward_lbl" xml:lang="en-US" id="us-gaap_MovementInValuationAllowancesAndReservesRollForward_lbl"> Movement in Valuation Allowances and Reserves [Roll Forward] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MovementInValuationAllowancesAndReservesRollForward" xlink:to="us-gaap_MovementInValuationAllowancesAndReservesRollForward_lbl" xlink:title="label: MovementInValuationAllowancesAndReservesRollForward to us-gaap_MovementInValuationAllowancesAndReservesRollForward_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NatureOfOperations" xlink:label="NatureOfOperations" xlink:title="NatureOfOperations"/>
<link:label xlink:type="resource" xlink:label="us-gaap_NatureOfOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="us-gaap_NatureOfOperations_lbl" xml:lang="en-US" id="us-gaap_NatureOfOperations_lbl"> Nature of Business </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NatureOfOperations" xlink:to="us-gaap_NatureOfOperations_lbl" xlink:title="label: NatureOfOperations to us-gaap_NatureOfOperations_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_NatureOfOperations_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_NatureOfOperations_lbl1" xml:lang="en-US" id="us-gaap_NatureOfOperations_lbl1"> Nature of Operations [Text Block] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NatureOfOperations" xlink:to="us-gaap_NatureOfOperations_lbl1" xlink:title="label: NatureOfOperations to us-gaap_NatureOfOperations_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:label="NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:title="NetCashProvidedByUsedInFinancingActivitiesAbstract"/>
<link:label xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl" xml:lang="en-US" id="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl"> Cash flows from financing activities: </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:to="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl" xlink:title="label: NetCashProvidedByUsedInFinancingActivitiesAbstract to us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" xlink:label="NetIncomeLossAvailableToCommonStockholdersBasic" xlink:title="NetIncomeLossAvailableToCommonStockholdersBasic"/>
<link:label xlink:type="resource" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_lbl" xml:lang="en-US" id="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_lbl"> Net income (loss) applicable to common stockholders </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NetIncomeLossAvailableToCommonStockholdersBasic" xlink:to="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_lbl" xlink:title="label: NetIncomeLossAvailableToCommonStockholdersBasic to us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_lbl1" xml:lang="en-US" id="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_lbl1"> Net Income (Loss) Available to Common Stockholders, Basic </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NetIncomeLossAvailableToCommonStockholdersBasic" xlink:to="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_lbl1" xlink:title="label: NetIncomeLossAvailableToCommonStockholdersBasic to us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:label="NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:title="NetCashProvidedByUsedInInvestingActivitiesAbstract"/>
<link:label xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_lbl" xml:lang="en-US" id="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_lbl"> Cash flows from investing activities: </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:to="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_lbl" xlink:title="label: NetCashProvidedByUsedInInvestingActivitiesAbstract to us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="NetCashProvidedByUsedInInvestingActivities" xlink:title="NetCashProvidedByUsedInInvestingActivities"/>
<link:label xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl" xml:lang="en-US" id="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl"> Net cash provided by (used in) investing activities </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NetCashProvidedByUsedInInvestingActivities" xlink:to="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl" xlink:title="label: NetCashProvidedByUsedInInvestingActivities to us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl1" xml:lang="en-US" id="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl1"> Net Cash Provided by (Used in) Investing Activities </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NetCashProvidedByUsedInInvestingActivities" xlink:to="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl1" xlink:title="label: NetCashProvidedByUsedInInvestingActivities to us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:title="NetCashProvidedByUsedInOperatingActivitiesAbstract"/>
<link:label xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xml:lang="en-US" id="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_lbl"> Cash flows from operating activities: </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:title="label: NetCashProvidedByUsedInOperatingActivitiesAbstract to us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="NetCashProvidedByUsedInFinancingActivities" xlink:title="NetCashProvidedByUsedInFinancingActivities"/>
<link:label xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl" xml:lang="en-US" id="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl"> Net cash provided by financing activities </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NetCashProvidedByUsedInFinancingActivities" xlink:to="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl" xlink:title="label: NetCashProvidedByUsedInFinancingActivities to us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl1" xml:lang="en-US" id="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl1"> Net Cash Provided by (Used in) Financing Activities </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NetCashProvidedByUsedInFinancingActivities" xlink:to="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl1" xlink:title="label: NetCashProvidedByUsedInFinancingActivities to us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="NetCashProvidedByUsedInOperatingActivities" xlink:title="NetCashProvidedByUsedInOperatingActivities"/>
<link:label xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl" xml:lang="en-US" id="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl"> Net cash used in operating activities </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NetCashProvidedByUsedInOperatingActivities" xlink:to="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl" xlink:title="label: NetCashProvidedByUsedInOperatingActivities to us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl1" xml:lang="en-US" id="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl1"> Net Cash Provided by (Used in) Operating Activities </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NetCashProvidedByUsedInOperatingActivities" xlink:to="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl1" xlink:title="label: NetCashProvidedByUsedInOperatingActivities to us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="NetIncomeLoss" xlink:title="NetIncomeLoss"/>
<link:label xlink:type="resource" xlink:label="us-gaap_NetIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="us-gaap_NetIncomeLoss_lbl" xml:lang="en-US" id="us-gaap_NetIncomeLoss_lbl"> Net loss </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NetIncomeLoss" xlink:to="us-gaap_NetIncomeLoss_lbl" xlink:title="label: NetIncomeLoss to us-gaap_NetIncomeLoss_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_NetIncomeLoss_lbl1" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="us-gaap_NetIncomeLoss_lbl1" xml:lang="en-US" id="us-gaap_NetIncomeLoss_lbl1"> Net loss </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NetIncomeLoss" xlink:to="us-gaap_NetIncomeLoss_lbl1" xlink:title="label: NetIncomeLoss to us-gaap_NetIncomeLoss_lbl1"/>
<link:label xlink:type="resource" xlink:label="us-gaap_NetIncomeLoss_lbl2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_NetIncomeLoss_lbl2" xml:lang="en-US" id="us-gaap_NetIncomeLoss_lbl2"> Net income (loss) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NetIncomeLoss" xlink:to="us-gaap_NetIncomeLoss_lbl2" xlink:title="label: NetIncomeLoss to us-gaap_NetIncomeLoss_lbl2"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NonoperatingIncomeExpenseAbstract" xlink:label="NonoperatingIncomeExpenseAbstract" xlink:title="NonoperatingIncomeExpenseAbstract"/>
<link:label xlink:type="resource" xlink:label="us-gaap_NonoperatingIncomeExpenseAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_NonoperatingIncomeExpenseAbstract_lbl" xml:lang="en-US" id="us-gaap_NonoperatingIncomeExpenseAbstract_lbl"> Other income (loss): </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NonoperatingIncomeExpenseAbstract" xlink:to="us-gaap_NonoperatingIncomeExpenseAbstract_lbl" xlink:title="label: NonoperatingIncomeExpenseAbstract to us-gaap_NonoperatingIncomeExpenseAbstract_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueAbstract" xlink:label="OperatingLeasesFutureMinimumPaymentsDueAbstract" xlink:title="OperatingLeasesFutureMinimumPaymentsDueAbstract"/>
<link:label xlink:type="resource" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_OperatingLeasesFutureMinimumPaymentsDueAbstract_lbl" xml:lang="en-US" id="us-gaap_OperatingLeasesFutureMinimumPaymentsDueAbstract_lbl"> Operating Leases [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingLeasesFutureMinimumPaymentsDueAbstract" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDueAbstract_lbl" xlink:title="label: OperatingLeasesFutureMinimumPaymentsDueAbstract to us-gaap_OperatingLeasesFutureMinimumPaymentsDueAbstract_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OperatingExpensesAbstract" xlink:label="OperatingExpensesAbstract" xlink:title="OperatingExpensesAbstract"/>
<link:label xlink:type="resource" xlink:label="us-gaap_OperatingExpensesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_OperatingExpensesAbstract_lbl" xml:lang="en-US" id="us-gaap_OperatingExpensesAbstract_lbl"> Expenses: </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingExpensesAbstract" xlink:to="us-gaap_OperatingExpensesAbstract_lbl" xlink:title="label: OperatingExpensesAbstract to us-gaap_OperatingExpensesAbstract_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OperatingLeasesIncomeStatementSubleaseRevenue" xlink:label="OperatingLeasesIncomeStatementSubleaseRevenue" xlink:title="OperatingLeasesIncomeStatementSubleaseRevenue"/>
<link:label xlink:type="resource" xlink:label="us-gaap_OperatingLeasesIncomeStatementSubleaseRevenue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="us-gaap_OperatingLeasesIncomeStatementSubleaseRevenue_lbl" xml:lang="en-US" id="us-gaap_OperatingLeasesIncomeStatementSubleaseRevenue_lbl"> Sub lease revenue </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingLeasesIncomeStatementSubleaseRevenue" xlink:to="us-gaap_OperatingLeasesIncomeStatementSubleaseRevenue_lbl" xlink:title="label: OperatingLeasesIncomeStatementSubleaseRevenue to us-gaap_OperatingLeasesIncomeStatementSubleaseRevenue_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_OperatingLeasesIncomeStatementSubleaseRevenue_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_OperatingLeasesIncomeStatementSubleaseRevenue_lbl1" xml:lang="en-US" id="us-gaap_OperatingLeasesIncomeStatementSubleaseRevenue_lbl1"> Operating Leases, Income Statement, Sublease Revenue </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingLeasesIncomeStatementSubleaseRevenue" xlink:to="us-gaap_OperatingLeasesIncomeStatementSubleaseRevenue_lbl1" xlink:title="label: OperatingLeasesIncomeStatementSubleaseRevenue to us-gaap_OperatingLeasesIncomeStatementSubleaseRevenue_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears" xlink:label="OperatingLeasesFutureMinimumPaymentsDueInFourYears" xlink:title="OperatingLeasesFutureMinimumPaymentsDueInFourYears"/>
<link:label xlink:type="resource" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_lbl" xml:lang="en-US" id="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_lbl"> 2017 </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingLeasesFutureMinimumPaymentsDueInFourYears" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_lbl" xlink:title="label: OperatingLeasesFutureMinimumPaymentsDueInFourYears to us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_lbl1" xml:lang="en-US" id="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_lbl1"> Operating Leases, Future Minimum Payments, Due in Four Years </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingLeasesFutureMinimumPaymentsDueInFourYears" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_lbl1" xlink:title="label: OperatingLeasesFutureMinimumPaymentsDueInFourYears to us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears" xlink:label="OperatingLeasesFutureMinimumPaymentsDueInThreeYears" xlink:title="OperatingLeasesFutureMinimumPaymentsDueInThreeYears"/>
<link:label xlink:type="resource" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_lbl" xml:lang="en-US" id="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_lbl"> 2016 </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingLeasesFutureMinimumPaymentsDueInThreeYears" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_lbl" xlink:title="label: OperatingLeasesFutureMinimumPaymentsDueInThreeYears to us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_lbl1" xml:lang="en-US" id="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_lbl1"> Operating Leases, Future Minimum Payments, Due in Three Years </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingLeasesFutureMinimumPaymentsDueInThreeYears" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_lbl1" xlink:title="label: OperatingLeasesFutureMinimumPaymentsDueInThreeYears to us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OperatingLeasesRentExpenseNet" xlink:label="OperatingLeasesRentExpenseNet" xlink:title="OperatingLeasesRentExpenseNet"/>
<link:label xlink:type="resource" xlink:label="us-gaap_OperatingLeasesRentExpenseNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_OperatingLeasesRentExpenseNet_lbl" xml:lang="en-US" id="us-gaap_OperatingLeasesRentExpenseNet_lbl"> Lease expense </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingLeasesRentExpenseNet" xlink:to="us-gaap_OperatingLeasesRentExpenseNet_lbl" xlink:title="label: OperatingLeasesRentExpenseNet to us-gaap_OperatingLeasesRentExpenseNet_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent" xlink:label="OperatingLeasesFutureMinimumPaymentsDueCurrent" xlink:title="OperatingLeasesFutureMinimumPaymentsDueCurrent"/>
<link:label xlink:type="resource" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_lbl" xml:lang="en-US" id="us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_lbl"> 2014 </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingLeasesFutureMinimumPaymentsDueCurrent" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_lbl" xlink:title="label: OperatingLeasesFutureMinimumPaymentsDueCurrent to us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_lbl1" xml:lang="en-US" id="us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_lbl1"> Operating Leases, Future Minimum Payments Due, Next Twelve Months </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingLeasesFutureMinimumPaymentsDueCurrent" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_lbl1" xlink:title="label: OperatingLeasesFutureMinimumPaymentsDueCurrent to us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="OperatingIncomeLoss" xlink:title="OperatingIncomeLoss"/>
<link:label xlink:type="resource" xlink:label="us-gaap_OperatingIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="us-gaap_OperatingIncomeLoss_lbl" xml:lang="en-US" id="us-gaap_OperatingIncomeLoss_lbl"> Loss before other income </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingIncomeLoss" xlink:to="us-gaap_OperatingIncomeLoss_lbl" xlink:title="label: OperatingIncomeLoss to us-gaap_OperatingIncomeLoss_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_OperatingIncomeLoss_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_OperatingIncomeLoss_lbl1" xml:lang="en-US" id="us-gaap_OperatingIncomeLoss_lbl1"> Operating Income (Loss) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingIncomeLoss" xlink:to="us-gaap_OperatingIncomeLoss_lbl1" xlink:title="label: OperatingIncomeLoss to us-gaap_OperatingIncomeLoss_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OperatingLossCarryforwardsTable" xlink:label="OperatingLossCarryforwardsTable" xlink:title="OperatingLossCarryforwardsTable"/>
<link:label xlink:type="resource" xlink:label="us-gaap_OperatingLossCarryforwardsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_OperatingLossCarryforwardsTable_lbl" xml:lang="en-US" id="us-gaap_OperatingLossCarryforwardsTable_lbl"> Operating Loss Carryforwards [Table] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingLossCarryforwardsTable" xlink:to="us-gaap_OperatingLossCarryforwardsTable_lbl" xlink:title="label: OperatingLossCarryforwardsTable to us-gaap_OperatingLossCarryforwardsTable_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OperatingLossCarryforwardsLineItems" xlink:label="OperatingLossCarryforwardsLineItems" xlink:title="OperatingLossCarryforwardsLineItems"/>
<link:label xlink:type="resource" xlink:label="us-gaap_OperatingLossCarryforwardsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_OperatingLossCarryforwardsLineItems_lbl" xml:lang="en-US" id="us-gaap_OperatingLossCarryforwardsLineItems_lbl"> Operating Loss Carryforwards [Line Items] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingLossCarryforwardsLineItems" xlink:to="us-gaap_OperatingLossCarryforwardsLineItems_lbl" xlink:title="label: OperatingLossCarryforwardsLineItems to us-gaap_OperatingLossCarryforwardsLineItems_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears" xlink:label="OperatingLeasesFutureMinimumPaymentsDueInTwoYears" xlink:title="OperatingLeasesFutureMinimumPaymentsDueInTwoYears"/>
<link:label xlink:type="resource" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_lbl" xml:lang="en-US" id="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_lbl"> 2015 </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingLeasesFutureMinimumPaymentsDueInTwoYears" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_lbl" xlink:title="label: OperatingLeasesFutureMinimumPaymentsDueInTwoYears to us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_lbl1" xml:lang="en-US" id="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_lbl1"> Operating Leases, Future Minimum Payments, Due in Two Years </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingLeasesFutureMinimumPaymentsDueInTwoYears" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_lbl1" xlink:title="label: OperatingLeasesFutureMinimumPaymentsDueInTwoYears to us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDue" xlink:label="OperatingLeasesFutureMinimumPaymentsDue" xlink:title="OperatingLeasesFutureMinimumPaymentsDue"/>
<link:label xlink:type="resource" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDue_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="us-gaap_OperatingLeasesFutureMinimumPaymentsDue_lbl" xml:lang="en-US" id="us-gaap_OperatingLeasesFutureMinimumPaymentsDue_lbl"> Total </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingLeasesFutureMinimumPaymentsDue" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDue_lbl" xlink:title="label: OperatingLeasesFutureMinimumPaymentsDue to us-gaap_OperatingLeasesFutureMinimumPaymentsDue_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDue_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_OperatingLeasesFutureMinimumPaymentsDue_lbl1" xml:lang="en-US" id="us-gaap_OperatingLeasesFutureMinimumPaymentsDue_lbl1"> Operating Leases, Future Minimum Payments Due </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingLeasesFutureMinimumPaymentsDue" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDue_lbl1" xlink:title="label: OperatingLeasesFutureMinimumPaymentsDue to us-gaap_OperatingLeasesFutureMinimumPaymentsDue_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" xlink:label="OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" xlink:title="OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract"/>
<link:label xlink:type="resource" xlink:label="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_lbl" xml:lang="en-US" id="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_lbl"> Nature of Business [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" xlink:to="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_lbl" xlink:title="label: OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract to us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherCommitmentDueInNextTwelveMonths" xlink:label="OtherCommitmentDueInNextTwelveMonths" xlink:title="OtherCommitmentDueInNextTwelveMonths"/>
<link:label xlink:type="resource" xlink:label="us-gaap_OtherCommitmentDueInNextTwelveMonths_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_OtherCommitmentDueInNextTwelveMonths_lbl" xml:lang="en-US" id="us-gaap_OtherCommitmentDueInNextTwelveMonths_lbl"> 2014 </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherCommitmentDueInNextTwelveMonths" xlink:to="us-gaap_OtherCommitmentDueInNextTwelveMonths_lbl" xlink:title="label: OtherCommitmentDueInNextTwelveMonths to us-gaap_OtherCommitmentDueInNextTwelveMonths_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherCommitmentDueInSecondYear" xlink:label="OtherCommitmentDueInSecondYear" xlink:title="OtherCommitmentDueInSecondYear"/>
<link:label xlink:type="resource" xlink:label="us-gaap_OtherCommitmentDueInSecondYear_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_OtherCommitmentDueInSecondYear_lbl" xml:lang="en-US" id="us-gaap_OtherCommitmentDueInSecondYear_lbl"> 2015 </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherCommitmentDueInSecondYear" xlink:to="us-gaap_OtherCommitmentDueInSecondYear_lbl" xlink:title="label: OtherCommitmentDueInSecondYear to us-gaap_OtherCommitmentDueInSecondYear_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherCommitment" xlink:label="OtherCommitment" xlink:title="OtherCommitment"/>
<link:label xlink:type="resource" xlink:label="us-gaap_OtherCommitment_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="us-gaap_OtherCommitment_lbl" xml:lang="en-US" id="us-gaap_OtherCommitment_lbl"> Total </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherCommitment" xlink:to="us-gaap_OtherCommitment_lbl" xlink:title="label: OtherCommitment to us-gaap_OtherCommitment_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_OtherCommitment_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_OtherCommitment_lbl1" xml:lang="en-US" id="us-gaap_OtherCommitment_lbl1"> Other Commitment </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherCommitment" xlink:to="us-gaap_OtherCommitment_lbl1" xlink:title="label: OtherCommitment to us-gaap_OtherCommitment_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherCommitmentFiscalYearMaturityAbstract" xlink:label="OtherCommitmentFiscalYearMaturityAbstract" xlink:title="OtherCommitmentFiscalYearMaturityAbstract"/>
<link:label xlink:type="resource" xlink:label="us-gaap_OtherCommitmentFiscalYearMaturityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="us-gaap_OtherCommitmentFiscalYearMaturityAbstract_lbl" xml:lang="en-US" id="us-gaap_OtherCommitmentFiscalYearMaturityAbstract_lbl"> Employment Agreements [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherCommitmentFiscalYearMaturityAbstract" xlink:to="us-gaap_OtherCommitmentFiscalYearMaturityAbstract_lbl" xlink:title="label: OtherCommitmentFiscalYearMaturityAbstract to us-gaap_OtherCommitmentFiscalYearMaturityAbstract_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_OtherCommitmentFiscalYearMaturityAbstract_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_OtherCommitmentFiscalYearMaturityAbstract_lbl1" xml:lang="en-US" id="us-gaap_OtherCommitmentFiscalYearMaturityAbstract_lbl1"> Other Commitment, Fiscal Year Maturity [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherCommitmentFiscalYearMaturityAbstract" xlink:to="us-gaap_OtherCommitmentFiscalYearMaturityAbstract_lbl1" xlink:title="label: OtherCommitmentFiscalYearMaturityAbstract to us-gaap_OtherCommitmentFiscalYearMaturityAbstract_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="OtherAssetsNoncurrent" xlink:title="OtherAssetsNoncurrent"/>
<link:label xlink:type="resource" xlink:label="us-gaap_OtherAssetsNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_OtherAssetsNoncurrent_lbl" xml:lang="en-US" id="us-gaap_OtherAssetsNoncurrent_lbl"> Other assets </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherAssetsNoncurrent" xlink:to="us-gaap_OtherAssetsNoncurrent_lbl" xlink:title="label: OtherAssetsNoncurrent to us-gaap_OtherAssetsNoncurrent_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherAssetsDisclosureTextBlock" xlink:label="OtherAssetsDisclosureTextBlock" xlink:title="OtherAssetsDisclosureTextBlock"/>
<link:label xlink:type="resource" xlink:label="us-gaap_OtherAssetsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="us-gaap_OtherAssetsDisclosureTextBlock_lbl" xml:lang="en-US" id="us-gaap_OtherAssetsDisclosureTextBlock_lbl"> Prepaid and Other Assets </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherAssetsDisclosureTextBlock" xlink:to="us-gaap_OtherAssetsDisclosureTextBlock_lbl" xlink:title="label: OtherAssetsDisclosureTextBlock to us-gaap_OtherAssetsDisclosureTextBlock_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_OtherAssetsDisclosureTextBlock_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_OtherAssetsDisclosureTextBlock_lbl1" xml:lang="en-US" id="us-gaap_OtherAssetsDisclosureTextBlock_lbl1"> Other Assets Disclosure [Text Block] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherAssetsDisclosureTextBlock" xlink:to="us-gaap_OtherAssetsDisclosureTextBlock_lbl1" xlink:title="label: OtherAssetsDisclosureTextBlock to us-gaap_OtherAssetsDisclosureTextBlock_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherNonoperatingIncome" xlink:label="OtherNonoperatingIncome" xlink:title="OtherNonoperatingIncome"/>
<link:label xlink:type="resource" xlink:label="us-gaap_OtherNonoperatingIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_OtherNonoperatingIncome_lbl" xml:lang="en-US" id="us-gaap_OtherNonoperatingIncome_lbl"> Other income, net </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherNonoperatingIncome" xlink:to="us-gaap_OtherNonoperatingIncome_lbl" xlink:title="label: OtherNonoperatingIncome to us-gaap_OtherNonoperatingIncome_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherAccruedLiabilitiesCurrent" xlink:label="OtherAccruedLiabilitiesCurrent" xlink:title="OtherAccruedLiabilitiesCurrent"/>
<link:label xlink:type="resource" xlink:label="us-gaap_OtherAccruedLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_OtherAccruedLiabilitiesCurrent_lbl" xml:lang="en-US" id="us-gaap_OtherAccruedLiabilitiesCurrent_lbl"> Other </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherAccruedLiabilitiesCurrent" xlink:to="us-gaap_OtherAccruedLiabilitiesCurrent_lbl" xlink:title="label: OtherAccruedLiabilitiesCurrent to us-gaap_OtherAccruedLiabilitiesCurrent_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PayablesAndAccrualsAbstract" xlink:label="PayablesAndAccrualsAbstract" xlink:title="PayablesAndAccrualsAbstract"/>
<link:label xlink:type="resource" xlink:label="us-gaap_PayablesAndAccrualsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_PayablesAndAccrualsAbstract_lbl" xml:lang="en-US" id="us-gaap_PayablesAndAccrualsAbstract_lbl"> Accrued Expenses and Other Current Liabilities [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PayablesAndAccrualsAbstract" xlink:to="us-gaap_PayablesAndAccrualsAbstract_lbl" xlink:title="label: PayablesAndAccrualsAbstract to us-gaap_PayablesAndAccrualsAbstract_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock" xlink:label="PaymentsForRepurchaseOfCommonStock" xlink:title="PaymentsForRepurchaseOfCommonStock"/>
<link:label xlink:type="resource" xlink:label="us-gaap_PaymentsForRepurchaseOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="us-gaap_PaymentsForRepurchaseOfCommonStock_lbl" xml:lang="en-US" id="us-gaap_PaymentsForRepurchaseOfCommonStock_lbl"> Repurchase of Company's own stock for treasury </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PaymentsForRepurchaseOfCommonStock" xlink:to="us-gaap_PaymentsForRepurchaseOfCommonStock_lbl" xlink:title="label: PaymentsForRepurchaseOfCommonStock to us-gaap_PaymentsForRepurchaseOfCommonStock_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_PaymentsForRepurchaseOfCommonStock_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_PaymentsForRepurchaseOfCommonStock_lbl1" xml:lang="en-US" id="us-gaap_PaymentsForRepurchaseOfCommonStock_lbl1"> Payments for Repurchase of Common Stock </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PaymentsForRepurchaseOfCommonStock" xlink:to="us-gaap_PaymentsForRepurchaseOfCommonStock_lbl1" xlink:title="label: PaymentsForRepurchaseOfCommonStock to us-gaap_PaymentsForRepurchaseOfCommonStock_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PaymentsToAcquireMarketableSecurities" xlink:label="PaymentsToAcquireMarketableSecurities" xlink:title="PaymentsToAcquireMarketableSecurities"/>
<link:label xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireMarketableSecurities_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="us-gaap_PaymentsToAcquireMarketableSecurities_lbl" xml:lang="en-US" id="us-gaap_PaymentsToAcquireMarketableSecurities_lbl"> Purchase of short-term investments </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PaymentsToAcquireMarketableSecurities" xlink:to="us-gaap_PaymentsToAcquireMarketableSecurities_lbl" xlink:title="label: PaymentsToAcquireMarketableSecurities to us-gaap_PaymentsToAcquireMarketableSecurities_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireMarketableSecurities_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_PaymentsToAcquireMarketableSecurities_lbl1" xml:lang="en-US" id="us-gaap_PaymentsToAcquireMarketableSecurities_lbl1"> Payments to Acquire Marketable Securities </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PaymentsToAcquireMarketableSecurities" xlink:to="us-gaap_PaymentsToAcquireMarketableSecurities_lbl1" xlink:title="label: PaymentsToAcquireMarketableSecurities to us-gaap_PaymentsToAcquireMarketableSecurities_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="PaymentsToAcquirePropertyPlantAndEquipment" xlink:title="PaymentsToAcquirePropertyPlantAndEquipment"/>
<link:label xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl" xml:lang="en-US" id="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl"> Purchases of equipment and furnishings </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PaymentsToAcquirePropertyPlantAndEquipment" xlink:to="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl" xlink:title="label: PaymentsToAcquirePropertyPlantAndEquipment to us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl1" xml:lang="en-US" id="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl1"> Payments to Acquire Property, Plant, and Equipment </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PaymentsToAcquirePropertyPlantAndEquipment" xlink:to="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl1" xlink:title="label: PaymentsToAcquirePropertyPlantAndEquipment to us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PlanNameDomain" xlink:label="PlanNameDomain" xlink:title="PlanNameDomain"/>
<link:label xlink:type="resource" xlink:label="us-gaap_PlanNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_PlanNameDomain_lbl" xml:lang="en-US" id="us-gaap_PlanNameDomain_lbl"> Share-based Compensation Arrangements by Share-based Payment Award, Plan Name [Domain] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PlanNameDomain" xlink:to="us-gaap_PlanNameDomain_lbl" xlink:title="label: PlanNameDomain to us-gaap_PlanNameDomain_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PlanNameAxis" xlink:label="PlanNameAxis" xlink:title="PlanNameAxis"/>
<link:label xlink:type="resource" xlink:label="us-gaap_PlanNameAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_PlanNameAxis_lbl" xml:lang="en-US" id="us-gaap_PlanNameAxis_lbl"> Schedule of Share-based Compensation Arrangement by Share-based Payment Award, Plan Name [Axis] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PlanNameAxis" xlink:to="us-gaap_PlanNameAxis_lbl" xlink:title="label: PlanNameAxis to us-gaap_PlanNameAxis_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PreferredStockParOrStatedValuePerShare" xlink:label="PreferredStockParOrStatedValuePerShare" xlink:title="PreferredStockParOrStatedValuePerShare"/>
<link:label xlink:type="resource" xlink:label="us-gaap_PreferredStockParOrStatedValuePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_PreferredStockParOrStatedValuePerShare_lbl" xml:lang="en-US" id="us-gaap_PreferredStockParOrStatedValuePerShare_lbl"> Preferred Stock, par value (in dollars per share) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PreferredStockParOrStatedValuePerShare" xlink:to="us-gaap_PreferredStockParOrStatedValuePerShare_lbl" xlink:title="label: PreferredStockParOrStatedValuePerShare to us-gaap_PreferredStockParOrStatedValuePerShare_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PreferredStockValue" xlink:label="PreferredStockValue" xlink:title="PreferredStockValue"/>
<link:label xlink:type="resource" xlink:label="us-gaap_PreferredStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_PreferredStockValue_lbl" xml:lang="en-US" id="us-gaap_PreferredStockValue_lbl"> Preferred Stock, $.01 par value, 5,000,000 shares authorized, including 25,000 shares of Series A Junior Participating Preferred Stock; no shares issued and outstanding </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PreferredStockValue" xlink:to="us-gaap_PreferredStockValue_lbl" xlink:title="label: PreferredStockValue to us-gaap_PreferredStockValue_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PreferredStockSharesIssued" xlink:label="PreferredStockSharesIssued" xlink:title="PreferredStockSharesIssued"/>
<link:label xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_PreferredStockSharesIssued_lbl" xml:lang="en-US" id="us-gaap_PreferredStockSharesIssued_lbl"> Preferred Stock, shares issued (in shares) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PreferredStockSharesIssued" xlink:to="us-gaap_PreferredStockSharesIssued_lbl" xlink:title="label: PreferredStockSharesIssued to us-gaap_PreferredStockSharesIssued_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PreferredStockSharesAuthorized" xlink:label="PreferredStockSharesAuthorized" xlink:title="PreferredStockSharesAuthorized"/>
<link:label xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_PreferredStockSharesAuthorized_lbl" xml:lang="en-US" id="us-gaap_PreferredStockSharesAuthorized_lbl"> Preferred Stock, shares authorized (in shares) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PreferredStockSharesAuthorized" xlink:to="us-gaap_PreferredStockSharesAuthorized_lbl" xlink:title="label: PreferredStockSharesAuthorized to us-gaap_PreferredStockSharesAuthorized_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PreferredStockSharesOutstanding" xlink:label="PreferredStockSharesOutstanding" xlink:title="PreferredStockSharesOutstanding"/>
<link:label xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_PreferredStockSharesOutstanding_lbl" xml:lang="en-US" id="us-gaap_PreferredStockSharesOutstanding_lbl"> Preferred Stock, shares outstanding (in shares) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PreferredStockSharesOutstanding" xlink:to="us-gaap_PreferredStockSharesOutstanding_lbl" xlink:title="label: PreferredStockSharesOutstanding to us-gaap_PreferredStockSharesOutstanding_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PrepaidExpenseAndOtherAssetsAbstract" xlink:label="PrepaidExpenseAndOtherAssetsAbstract" xlink:title="PrepaidExpenseAndOtherAssetsAbstract"/>
<link:label xlink:type="resource" xlink:label="us-gaap_PrepaidExpenseAndOtherAssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_PrepaidExpenseAndOtherAssetsAbstract_lbl" xml:lang="en-US" id="us-gaap_PrepaidExpenseAndOtherAssetsAbstract_lbl"> Prepaid and Other Assets [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PrepaidExpenseAndOtherAssetsAbstract" xlink:to="us-gaap_PrepaidExpenseAndOtherAssetsAbstract_lbl" xlink:title="label: PrepaidExpenseAndOtherAssetsAbstract to us-gaap_PrepaidExpenseAndOtherAssetsAbstract_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PrepaidExpenseAndOtherAssetsCurrent" xlink:label="PrepaidExpenseAndOtherAssetsCurrent" xlink:title="PrepaidExpenseAndOtherAssetsCurrent"/>
<link:label xlink:type="resource" xlink:label="us-gaap_PrepaidExpenseAndOtherAssetsCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_PrepaidExpenseAndOtherAssetsCurrent_lbl" xml:lang="en-US" id="us-gaap_PrepaidExpenseAndOtherAssetsCurrent_lbl"> Prepaid expenses and other current assets </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PrepaidExpenseAndOtherAssetsCurrent" xlink:to="us-gaap_PrepaidExpenseAndOtherAssetsCurrent_lbl" xlink:title="label: PrepaidExpenseAndOtherAssetsCurrent to us-gaap_PrepaidExpenseAndOtherAssetsCurrent_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_PrepaidExpenseAndOtherAssetsCurrent_lbl1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="us-gaap_PrepaidExpenseAndOtherAssetsCurrent_lbl1" xml:lang="en-US" id="us-gaap_PrepaidExpenseAndOtherAssetsCurrent_lbl1"> Prepaid and other assets </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PrepaidExpenseAndOtherAssetsCurrent" xlink:to="us-gaap_PrepaidExpenseAndOtherAssetsCurrent_lbl1" xlink:title="label: PrepaidExpenseAndOtherAssetsCurrent to us-gaap_PrepaidExpenseAndOtherAssetsCurrent_lbl1"/>
<link:label xlink:type="resource" xlink:label="us-gaap_PrepaidExpenseAndOtherAssetsCurrent_lbl2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="us-gaap_PrepaidExpenseAndOtherAssetsCurrent_lbl2" xml:lang="en-US" id="us-gaap_PrepaidExpenseAndOtherAssetsCurrent_lbl2"> Prepaid and other current assets </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PrepaidExpenseAndOtherAssetsCurrent" xlink:to="us-gaap_PrepaidExpenseAndOtherAssetsCurrent_lbl2" xlink:title="label: PrepaidExpenseAndOtherAssetsCurrent to us-gaap_PrepaidExpenseAndOtherAssetsCurrent_lbl2"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ProFormaMember" xlink:label="ProFormaMember" xlink:title="ProFormaMember"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ProFormaMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="us-gaap_ProFormaMember_lbl" xml:lang="en-US" id="us-gaap_ProFormaMember_lbl"> Pro Forma [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ProFormaMember" xlink:to="us-gaap_ProFormaMember_lbl" xlink:title="label: ProFormaMember to us-gaap_ProFormaMember_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ProFormaMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ProFormaMember_lbl1" xml:lang="en-US" id="us-gaap_ProFormaMember_lbl1"> Pro Forma [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ProFormaMember" xlink:to="us-gaap_ProFormaMember_lbl1" xlink:title="label: ProFormaMember to us-gaap_ProFormaMember_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans" xlink:label="ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans" xlink:title="ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans_lbl" xml:lang="en-US" id="us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans_lbl"> Proceeds from issuance of restricted stock to employee </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans" xlink:to="us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans_lbl" xlink:title="label: ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans to us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:label="ProceedsFromIssuanceOfCommonStock" xlink:title="ProceedsFromIssuanceOfCommonStock"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="us-gaap_ProceedsFromIssuanceOfCommonStock_lbl" xml:lang="en-US" id="us-gaap_ProceedsFromIssuanceOfCommonStock_lbl"> Net proceeds from common stock issued in public offering </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ProceedsFromIssuanceOfCommonStock" xlink:to="us-gaap_ProceedsFromIssuanceOfCommonStock_lbl" xlink:title="label: ProceedsFromIssuanceOfCommonStock to us-gaap_ProceedsFromIssuanceOfCommonStock_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfCommonStock_lbl1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="us-gaap_ProceedsFromIssuanceOfCommonStock_lbl1" xml:lang="en-US" id="us-gaap_ProceedsFromIssuanceOfCommonStock_lbl1"> Proceeds from common stock issued in public offering, net of fees </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ProceedsFromIssuanceOfCommonStock" xlink:to="us-gaap_ProceedsFromIssuanceOfCommonStock_lbl1" xlink:title="label: ProceedsFromIssuanceOfCommonStock to us-gaap_ProceedsFromIssuanceOfCommonStock_lbl1"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfCommonStock_lbl2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ProceedsFromIssuanceOfCommonStock_lbl2" xml:lang="en-US" id="us-gaap_ProceedsFromIssuanceOfCommonStock_lbl2"> Net proceeds from issuance of common stock </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ProceedsFromIssuanceOfCommonStock" xlink:to="us-gaap_ProceedsFromIssuanceOfCommonStock_lbl2" xlink:title="label: ProceedsFromIssuanceOfCommonStock to us-gaap_ProceedsFromIssuanceOfCommonStock_lbl2"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ProceedsFromStockOptionsExercised" xlink:label="ProceedsFromStockOptionsExercised" xlink:title="ProceedsFromStockOptionsExercised"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ProceedsFromStockOptionsExercised_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ProceedsFromStockOptionsExercised_lbl" xml:lang="en-US" id="us-gaap_ProceedsFromStockOptionsExercised_lbl"> Net proceeds from exercise of stock options and warrants </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ProceedsFromStockOptionsExercised" xlink:to="us-gaap_ProceedsFromStockOptionsExercised_lbl" xlink:title="label: ProceedsFromStockOptionsExercised to us-gaap_ProceedsFromStockOptionsExercised_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities" xlink:label="ProceedsFromSaleAndMaturityOfMarketableSecurities" xlink:title="ProceedsFromSaleAndMaturityOfMarketableSecurities"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities_lbl" xml:lang="en-US" id="us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities_lbl"> Proceeds from matured marketable securities </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ProceedsFromSaleAndMaturityOfMarketableSecurities" xlink:to="us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities_lbl" xlink:title="label: ProceedsFromSaleAndMaturityOfMarketableSecurities to us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities_lbl1" xml:lang="en-US" id="us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities_lbl1"> Proceeds from Sale and Maturity of Marketable Securities </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ProceedsFromSaleAndMaturityOfMarketableSecurities" xlink:to="us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities_lbl1" xlink:title="label: ProceedsFromSaleAndMaturityOfMarketableSecurities to us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ProceedsFromSaleOfProductiveAssets" xlink:label="ProceedsFromSaleOfProductiveAssets" xlink:title="ProceedsFromSaleOfProductiveAssets"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ProceedsFromSaleOfProductiveAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="us-gaap_ProceedsFromSaleOfProductiveAssets_lbl" xml:lang="en-US" id="us-gaap_ProceedsFromSaleOfProductiveAssets_lbl"> Received a cash payment under the asset purchase agreement </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ProceedsFromSaleOfProductiveAssets" xlink:to="us-gaap_ProceedsFromSaleOfProductiveAssets_lbl" xlink:title="label: ProceedsFromSaleOfProductiveAssets to us-gaap_ProceedsFromSaleOfProductiveAssets_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ProceedsFromSaleOfProductiveAssets_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ProceedsFromSaleOfProductiveAssets_lbl1" xml:lang="en-US" id="us-gaap_ProceedsFromSaleOfProductiveAssets_lbl1"> Proceeds from Sale of Productive Assets </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ProceedsFromSaleOfProductiveAssets" xlink:to="us-gaap_ProceedsFromSaleOfProductiveAssets_lbl1" xlink:title="label: ProceedsFromSaleOfProductiveAssets to us-gaap_ProceedsFromSaleOfProductiveAssets_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ProceedsFromSaleOfEquityMethodInvestments" xlink:label="ProceedsFromSaleOfEquityMethodInvestments" xlink:title="ProceedsFromSaleOfEquityMethodInvestments"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ProceedsFromSaleOfEquityMethodInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ProceedsFromSaleOfEquityMethodInvestments_lbl" xml:lang="en-US" id="us-gaap_ProceedsFromSaleOfEquityMethodInvestments_lbl"> Proceeds from sale of affiliate's shares </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ProceedsFromSaleOfEquityMethodInvestments" xlink:to="us-gaap_ProceedsFromSaleOfEquityMethodInvestments_lbl" xlink:title="label: ProceedsFromSaleOfEquityMethodInvestments to us-gaap_ProceedsFromSaleOfEquityMethodInvestments_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PropertyPlantAndEquipmentUsefulLife" xlink:label="PropertyPlantAndEquipmentUsefulLife" xlink:title="PropertyPlantAndEquipmentUsefulLife"/>
<link:label xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentUsefulLife_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="us-gaap_PropertyPlantAndEquipmentUsefulLife_lbl" xml:lang="en-US" id="us-gaap_PropertyPlantAndEquipmentUsefulLife_lbl"> Useful life </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PropertyPlantAndEquipmentUsefulLife" xlink:to="us-gaap_PropertyPlantAndEquipmentUsefulLife_lbl" xlink:title="label: PropertyPlantAndEquipmentUsefulLife to us-gaap_PropertyPlantAndEquipmentUsefulLife_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentUsefulLife_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_PropertyPlantAndEquipmentUsefulLife_lbl1" xml:lang="en-US" id="us-gaap_PropertyPlantAndEquipmentUsefulLife_lbl1"> Property, Plant and Equipment, Useful Life </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PropertyPlantAndEquipmentUsefulLife" xlink:to="us-gaap_PropertyPlantAndEquipmentUsefulLife_lbl1" xlink:title="label: PropertyPlantAndEquipmentUsefulLife to us-gaap_PropertyPlantAndEquipmentUsefulLife_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PropertyPlantAndEquipmentGross" xlink:label="PropertyPlantAndEquipmentGross" xlink:title="PropertyPlantAndEquipmentGross"/>
<link:label xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentGross_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_PropertyPlantAndEquipmentGross_lbl" xml:lang="en-US" id="us-gaap_PropertyPlantAndEquipmentGross_lbl"> Equipment and furnishings </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PropertyPlantAndEquipmentGross" xlink:to="us-gaap_PropertyPlantAndEquipmentGross_lbl" xlink:title="label: PropertyPlantAndEquipmentGross to us-gaap_PropertyPlantAndEquipmentGross_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PropertyPlantAndEquipmentPolicyTextBlock" xlink:label="PropertyPlantAndEquipmentPolicyTextBlock" xlink:title="PropertyPlantAndEquipmentPolicyTextBlock"/>
<link:label xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_lbl" xml:lang="en-US" id="us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_lbl"> Equipment and Furnishings </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PropertyPlantAndEquipmentPolicyTextBlock" xlink:to="us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_lbl" xlink:title="label: PropertyPlantAndEquipmentPolicyTextBlock to us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_lbl1" xml:lang="en-US" id="us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_lbl1"> Property, Plant and Equipment, Policy [Policy Text Block] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PropertyPlantAndEquipmentPolicyTextBlock" xlink:to="us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_lbl1" xlink:title="label: PropertyPlantAndEquipmentPolicyTextBlock to us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="PropertyPlantAndEquipmentNet" xlink:title="PropertyPlantAndEquipmentNet"/>
<link:label xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="us-gaap_PropertyPlantAndEquipmentNet_lbl" xml:lang="en-US" id="us-gaap_PropertyPlantAndEquipmentNet_lbl"> Equipment and furnishings, net </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PropertyPlantAndEquipmentNet" xlink:to="us-gaap_PropertyPlantAndEquipmentNet_lbl" xlink:title="label: PropertyPlantAndEquipmentNet to us-gaap_PropertyPlantAndEquipmentNet_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_PropertyPlantAndEquipmentNet_lbl1" xml:lang="en-US" id="us-gaap_PropertyPlantAndEquipmentNet_lbl1"> Equipment and furnishings, net </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PropertyPlantAndEquipmentNet" xlink:to="us-gaap_PropertyPlantAndEquipmentNet_lbl1" xlink:title="label: PropertyPlantAndEquipmentNet to us-gaap_PropertyPlantAndEquipmentNet_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PropertyPlantAndEquipmentAbstract" xlink:label="PropertyPlantAndEquipmentAbstract" xlink:title="PropertyPlantAndEquipmentAbstract"/>
<link:label xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_PropertyPlantAndEquipmentAbstract_lbl" xml:lang="en-US" id="us-gaap_PropertyPlantAndEquipmentAbstract_lbl"> Equipment and Furnishings [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PropertyPlantAndEquipmentAbstract" xlink:to="us-gaap_PropertyPlantAndEquipmentAbstract_lbl" xlink:title="label: PropertyPlantAndEquipmentAbstract to us-gaap_PropertyPlantAndEquipmentAbstract_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTextBlock" xlink:label="PropertyPlantAndEquipmentTextBlock" xlink:title="PropertyPlantAndEquipmentTextBlock"/>
<link:label xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="us-gaap_PropertyPlantAndEquipmentTextBlock_lbl" xml:lang="en-US" id="us-gaap_PropertyPlantAndEquipmentTextBlock_lbl"> Equipment and Furnishings </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PropertyPlantAndEquipmentTextBlock" xlink:to="us-gaap_PropertyPlantAndEquipmentTextBlock_lbl" xlink:title="label: PropertyPlantAndEquipmentTextBlock to us-gaap_PropertyPlantAndEquipmentTextBlock_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentTextBlock_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_PropertyPlantAndEquipmentTextBlock_lbl1" xml:lang="en-US" id="us-gaap_PropertyPlantAndEquipmentTextBlock_lbl1"> Property, Plant and Equipment [Table Text Block] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PropertyPlantAndEquipmentTextBlock" xlink:to="us-gaap_PropertyPlantAndEquipmentTextBlock_lbl1" xlink:title="label: PropertyPlantAndEquipmentTextBlock to us-gaap_PropertyPlantAndEquipmentTextBlock_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="PropertyPlantAndEquipmentTypeDomain" xlink:title="PropertyPlantAndEquipmentTypeDomain"/>
<link:label xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_PropertyPlantAndEquipmentTypeDomain_lbl" xml:lang="en-US" id="us-gaap_PropertyPlantAndEquipmentTypeDomain_lbl"> Property, Plant and Equipment, Type [Domain] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PropertyPlantAndEquipmentTypeDomain" xlink:to="us-gaap_PropertyPlantAndEquipmentTypeDomain_lbl" xlink:title="label: PropertyPlantAndEquipmentTypeDomain to us-gaap_PropertyPlantAndEquipmentTypeDomain_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:label="PropertyPlantAndEquipmentByTypeAxis" xlink:title="PropertyPlantAndEquipmentByTypeAxis"/>
<link:label xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentByTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_PropertyPlantAndEquipmentByTypeAxis_lbl" xml:lang="en-US" id="us-gaap_PropertyPlantAndEquipmentByTypeAxis_lbl"> Property, Plant and Equipment, Type [Axis] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PropertyPlantAndEquipmentByTypeAxis" xlink:to="us-gaap_PropertyPlantAndEquipmentByTypeAxis_lbl" xlink:title="label: PropertyPlantAndEquipmentByTypeAxis to us-gaap_PropertyPlantAndEquipmentByTypeAxis_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock" xlink:label="PropertyPlantAndEquipmentDisclosureTextBlock" xlink:title="PropertyPlantAndEquipmentDisclosureTextBlock"/>
<link:label xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_lbl" xml:lang="en-US" id="us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_lbl"> Equipment and Furnishings </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PropertyPlantAndEquipmentDisclosureTextBlock" xlink:to="us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_lbl" xlink:title="label: PropertyPlantAndEquipmentDisclosureTextBlock to us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_lbl1" xml:lang="en-US" id="us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_lbl1"> Property, Plant and Equipment Disclosure [Text Block] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PropertyPlantAndEquipmentDisclosureTextBlock" xlink:to="us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_lbl1" xlink:title="label: PropertyPlantAndEquipmentDisclosureTextBlock to us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PropertyPlantAndEquipmentLineItems" xlink:label="PropertyPlantAndEquipmentLineItems" xlink:title="PropertyPlantAndEquipmentLineItems"/>
<link:label xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_PropertyPlantAndEquipmentLineItems_lbl" xml:lang="en-US" id="us-gaap_PropertyPlantAndEquipmentLineItems_lbl"> Property, Plant and Equipment [Line Items] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PropertyPlantAndEquipmentLineItems" xlink:to="us-gaap_PropertyPlantAndEquipmentLineItems_lbl" xlink:title="label: PropertyPlantAndEquipmentLineItems to us-gaap_PropertyPlantAndEquipmentLineItems_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_QuarterlyFinancialDataAbstract" xlink:label="QuarterlyFinancialDataAbstract" xlink:title="QuarterlyFinancialDataAbstract"/>
<link:label xlink:type="resource" xlink:label="us-gaap_QuarterlyFinancialDataAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_QuarterlyFinancialDataAbstract_lbl" xml:lang="en-US" id="us-gaap_QuarterlyFinancialDataAbstract_lbl"> Quarterly Financial Data [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="QuarterlyFinancialDataAbstract" xlink:to="us-gaap_QuarterlyFinancialDataAbstract_lbl" xlink:title="label: QuarterlyFinancialDataAbstract to us-gaap_QuarterlyFinancialDataAbstract_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_QuarterlyFinancialInformationTextBlock" xlink:label="QuarterlyFinancialInformationTextBlock" xlink:title="QuarterlyFinancialInformationTextBlock"/>
<link:label xlink:type="resource" xlink:label="us-gaap_QuarterlyFinancialInformationTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="us-gaap_QuarterlyFinancialInformationTextBlock_lbl" xml:lang="en-US" id="us-gaap_QuarterlyFinancialInformationTextBlock_lbl"> Quarterly Financial Data (unaudited) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="QuarterlyFinancialInformationTextBlock" xlink:to="us-gaap_QuarterlyFinancialInformationTextBlock_lbl" xlink:title="label: QuarterlyFinancialInformationTextBlock to us-gaap_QuarterlyFinancialInformationTextBlock_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_QuarterlyFinancialInformationTextBlock_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_QuarterlyFinancialInformationTextBlock_lbl1" xml:lang="en-US" id="us-gaap_QuarterlyFinancialInformationTextBlock_lbl1"> Quarterly Financial Information [Text Block] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="QuarterlyFinancialInformationTextBlock" xlink:to="us-gaap_QuarterlyFinancialInformationTextBlock_lbl1" xlink:title="label: QuarterlyFinancialInformationTextBlock to us-gaap_QuarterlyFinancialInformationTextBlock_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_QuarterlyFinancialInformationDisclosureAbstract" xlink:label="QuarterlyFinancialInformationDisclosureAbstract" xlink:title="QuarterlyFinancialInformationDisclosureAbstract"/>
<link:label xlink:type="resource" xlink:label="us-gaap_QuarterlyFinancialInformationDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_QuarterlyFinancialInformationDisclosureAbstract_lbl" xml:lang="en-US" id="us-gaap_QuarterlyFinancialInformationDisclosureAbstract_lbl"> Quarterly Financial Data (unaudited) [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="QuarterlyFinancialInformationDisclosureAbstract" xlink:to="us-gaap_QuarterlyFinancialInformationDisclosureAbstract_lbl" xlink:title="label: QuarterlyFinancialInformationDisclosureAbstract to us-gaap_QuarterlyFinancialInformationDisclosureAbstract_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RangeAxis" xlink:label="RangeAxis" xlink:title="RangeAxis"/>
<link:label xlink:type="resource" xlink:label="us-gaap_RangeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_RangeAxis_lbl" xml:lang="en-US" id="us-gaap_RangeAxis_lbl"> Range [Axis] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RangeAxis" xlink:to="us-gaap_RangeAxis_lbl" xlink:title="label: RangeAxis to us-gaap_RangeAxis_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RangeMember" xlink:label="RangeMember" xlink:title="RangeMember"/>
<link:label xlink:type="resource" xlink:label="us-gaap_RangeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_RangeMember_lbl" xml:lang="en-US" id="us-gaap_RangeMember_lbl"> Range [Domain] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RangeMember" xlink:to="us-gaap_RangeMember_lbl" xlink:title="label: RangeMember to us-gaap_RangeMember_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ReceivablesAbstract" xlink:label="ReceivablesAbstract" xlink:title="ReceivablesAbstract"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ReceivablesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ReceivablesAbstract_lbl" xml:lang="en-US" id="us-gaap_ReceivablesAbstract_lbl"> Receivables [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ReceivablesAbstract" xlink:to="us-gaap_ReceivablesAbstract_lbl" xlink:title="label: ReceivablesAbstract to us-gaap_ReceivablesAbstract_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ReceivablesNetCurrent" xlink:label="ReceivablesNetCurrent" xlink:title="ReceivablesNetCurrent"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ReceivablesNetCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ReceivablesNetCurrent_lbl" xml:lang="en-US" id="us-gaap_ReceivablesNetCurrent_lbl"> Receivables </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ReceivablesNetCurrent" xlink:to="us-gaap_ReceivablesNetCurrent_lbl" xlink:title="label: ReceivablesNetCurrent to us-gaap_ReceivablesNetCurrent_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ResearchAndDevelopmentExpense" xlink:label="ResearchAndDevelopmentExpense" xlink:title="ResearchAndDevelopmentExpense"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ResearchAndDevelopmentExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ResearchAndDevelopmentExpense_lbl" xml:lang="en-US" id="us-gaap_ResearchAndDevelopmentExpense_lbl"> Research and development </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ResearchAndDevelopmentExpense" xlink:to="us-gaap_ResearchAndDevelopmentExpense_lbl" xlink:title="label: ResearchAndDevelopmentExpense to us-gaap_ResearchAndDevelopmentExpense_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ResearchAndDevelopmentExpensePolicy" xlink:label="ResearchAndDevelopmentExpensePolicy" xlink:title="ResearchAndDevelopmentExpensePolicy"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ResearchAndDevelopmentExpensePolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ResearchAndDevelopmentExpensePolicy_lbl" xml:lang="en-US" id="us-gaap_ResearchAndDevelopmentExpensePolicy_lbl"> Research and Development Expenses </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ResearchAndDevelopmentExpensePolicy" xlink:to="us-gaap_ResearchAndDevelopmentExpensePolicy_lbl" xlink:title="label: ResearchAndDevelopmentExpensePolicy to us-gaap_ResearchAndDevelopmentExpensePolicy_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ResearchAndDevelopmentAbstract" xlink:label="ResearchAndDevelopmentAbstract" xlink:title="ResearchAndDevelopmentAbstract"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ResearchAndDevelopmentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="us-gaap_ResearchAndDevelopmentAbstract_lbl" xml:lang="en-US" id="us-gaap_ResearchAndDevelopmentAbstract_lbl"> Research and Development [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ResearchAndDevelopmentAbstract" xlink:to="us-gaap_ResearchAndDevelopmentAbstract_lbl" xlink:title="label: ResearchAndDevelopmentAbstract to us-gaap_ResearchAndDevelopmentAbstract_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ResearchAndDevelopmentAbstract_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ResearchAndDevelopmentAbstract_lbl1" xml:lang="en-US" id="us-gaap_ResearchAndDevelopmentAbstract_lbl1"> Research and Development [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ResearchAndDevelopmentAbstract" xlink:to="us-gaap_ResearchAndDevelopmentAbstract_lbl1" xlink:title="label: ResearchAndDevelopmentAbstract to us-gaap_ResearchAndDevelopmentAbstract_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RestrictedStockMember" xlink:label="RestrictedStockMember" xlink:title="RestrictedStockMember"/>
<link:label xlink:type="resource" xlink:label="us-gaap_RestrictedStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_RestrictedStockMember_lbl" xml:lang="en-US" id="us-gaap_RestrictedStockMember_lbl"> Restricted Stock [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RestrictedStockMember" xlink:to="us-gaap_RestrictedStockMember_lbl" xlink:title="label: RestrictedStockMember to us-gaap_RestrictedStockMember_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RetainedEarningsMember" xlink:label="RetainedEarningsMember" xlink:title="RetainedEarningsMember"/>
<link:label xlink:type="resource" xlink:label="us-gaap_RetainedEarningsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="us-gaap_RetainedEarningsMember_lbl" xml:lang="en-US" id="us-gaap_RetainedEarningsMember_lbl"> Accumulated Deficit [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RetainedEarningsMember" xlink:to="us-gaap_RetainedEarningsMember_lbl" xlink:title="label: RetainedEarningsMember to us-gaap_RetainedEarningsMember_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_RetainedEarningsMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_RetainedEarningsMember_lbl1" xml:lang="en-US" id="us-gaap_RetainedEarningsMember_lbl1"> Retained Earnings [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RetainedEarningsMember" xlink:to="us-gaap_RetainedEarningsMember_lbl1" xlink:title="label: RetainedEarningsMember to us-gaap_RetainedEarningsMember_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="RetainedEarningsAccumulatedDeficit" xlink:title="RetainedEarningsAccumulatedDeficit"/>
<link:label xlink:type="resource" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" xml:lang="en-US" id="us-gaap_RetainedEarningsAccumulatedDeficit_lbl"> Accumulated deficit </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RetainedEarningsAccumulatedDeficit" xlink:to="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" xlink:title="label: RetainedEarningsAccumulatedDeficit to us-gaap_RetainedEarningsAccumulatedDeficit_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RevenueRecognitionPolicyTextBlock" xlink:label="RevenueRecognitionPolicyTextBlock" xlink:title="RevenueRecognitionPolicyTextBlock"/>
<link:label xlink:type="resource" xlink:label="us-gaap_RevenueRecognitionPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_RevenueRecognitionPolicyTextBlock_lbl" xml:lang="en-US" id="us-gaap_RevenueRecognitionPolicyTextBlock_lbl"> Revenue Recognition </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RevenueRecognitionPolicyTextBlock" xlink:to="us-gaap_RevenueRecognitionPolicyTextBlock_lbl" xlink:title="label: RevenueRecognitionPolicyTextBlock to us-gaap_RevenueRecognitionPolicyTextBlock_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1" xlink:label="SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1" xlink:title="SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1"/>
<link:label xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1_lbl" xml:lang="en-US" id="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1_lbl"> Weighted-Average Exercise Price, Options Exercisable (in dollars per share) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1" xlink:to="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1_lbl" xlink:title="label: SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1 to us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1" xlink:label="SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1" xlink:title="SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1"/>
<link:label xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_lbl" xml:lang="en-US" id="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_lbl"> Expected lives (years) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_lbl" xlink:title="label: SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1 to us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_lbl1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_lbl1" xml:lang="en-US" id="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_lbl1"> Expected lives </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_lbl1" xlink:title="label: SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1 to us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm2" xlink:label="SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm2" xlink:title="SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm2"/>
<link:label xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm2_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm2_lbl" xml:lang="en-US" id="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm2_lbl"> Weighted-Average Contractual Life </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm2" xlink:to="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm2_lbl" xlink:title="label: SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm2 to us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm2_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm2_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm2_lbl1" xml:lang="en-US" id="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm2_lbl1"> Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Exercisable Options, Weighted Average Remaining Contractual Term </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm2" xlink:to="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm2_lbl1" xlink:title="label: SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm2 to us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm2_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1" xlink:label="SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1" xlink:title="SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1"/>
<link:label xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1_lbl" xml:lang="en-US" id="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1_lbl"> Weighted-Average Exercise Price (in dollars per share) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1" xlink:to="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1_lbl" xlink:title="label: SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1 to us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2" xlink:label="SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2" xlink:title="SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2"/>
<link:label xlink:type="resource" xlink:label="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2_lbl" xml:lang="en-US" id="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2_lbl"> Weighted-Average Remaining Contractual Life </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2" xlink:to="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2_lbl" xlink:title="label: SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2 to us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SalesRevenueNet" xlink:label="SalesRevenueNet" xlink:title="SalesRevenueNet"/>
<link:label xlink:type="resource" xlink:label="us-gaap_SalesRevenueNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_SalesRevenueNet_lbl" xml:lang="en-US" id="us-gaap_SalesRevenueNet_lbl"> Total revenues </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SalesRevenueNet" xlink:to="us-gaap_SalesRevenueNet_lbl" xlink:title="label: SalesRevenueNet to us-gaap_SalesRevenueNet_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SalesRevenueNetAbstract" xlink:label="SalesRevenueNetAbstract" xlink:title="SalesRevenueNetAbstract"/>
<link:label xlink:type="resource" xlink:label="us-gaap_SalesRevenueNetAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_SalesRevenueNetAbstract_lbl" xml:lang="en-US" id="us-gaap_SalesRevenueNetAbstract_lbl"> Revenue: </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SalesRevenueNetAbstract" xlink:to="us-gaap_SalesRevenueNetAbstract_lbl" xlink:title="label: SalesRevenueNetAbstract to us-gaap_SalesRevenueNetAbstract_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScenarioAdjustmentMember" xlink:label="ScenarioAdjustmentMember" xlink:title="ScenarioAdjustmentMember"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ScenarioAdjustmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ScenarioAdjustmentMember_lbl" xml:lang="en-US" id="us-gaap_ScenarioAdjustmentMember_lbl"> Adjustment [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ScenarioAdjustmentMember" xlink:to="us-gaap_ScenarioAdjustmentMember_lbl" xlink:title="label: ScenarioAdjustmentMember to us-gaap_ScenarioAdjustmentMember_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScenarioActualMember" xlink:label="ScenarioActualMember" xlink:title="ScenarioActualMember"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ScenarioActualMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ScenarioActualMember_lbl" xml:lang="en-US" id="us-gaap_ScenarioActualMember_lbl"> Actual [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ScenarioActualMember" xlink:to="us-gaap_ScenarioActualMember_lbl" xlink:title="label: ScenarioActualMember to us-gaap_ScenarioActualMember_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="ScenarioUnspecifiedDomain" xlink:title="ScenarioUnspecifiedDomain"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ScenarioUnspecifiedDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ScenarioUnspecifiedDomain_lbl" xml:lang="en-US" id="us-gaap_ScenarioUnspecifiedDomain_lbl"> Scenario, Unspecified [Domain] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ScenarioUnspecifiedDomain" xlink:to="us-gaap_ScenarioUnspecifiedDomain_lbl" xlink:title="label: ScenarioUnspecifiedDomain to us-gaap_ScenarioUnspecifiedDomain_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfAvailableForSaleSecuritiesTable" xlink:label="ScheduleOfAvailableForSaleSecuritiesTable" xlink:title="ScheduleOfAvailableForSaleSecuritiesTable"/>
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<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock" xlink:label="ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock" xlink:title="ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock"/>
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<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock" xlink:label="ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock" xlink:title="ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock"/>
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<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock" xlink:label="ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock" xlink:title="ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock"/>
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<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock" xlink:label="ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock" xlink:title="ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock_lbl" xml:lang="en-US" id="us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock_lbl"> Deferred Tax Assets and Liabilities </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock" xlink:to="us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock_lbl" xlink:title="label: ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock to us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock" xlink:label="ScheduleOfQuarterlyFinancialInformationTableTextBlock" xlink:title="ScheduleOfQuarterlyFinancialInformationTableTextBlock"/>
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<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ScheduleOfQuarterlyFinancialInformationTableTextBlock" xlink:to="us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock_lbl" xlink:title="label: ScheduleOfQuarterlyFinancialInformationTableTextBlock to us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock" xlink:label="ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock" xlink:title="ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="us-gaap_ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock_lbl" xml:lang="en-US" id="us-gaap_ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock_lbl"> Accrued Expenses and Other Current Liabilities </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock" xlink:to="us-gaap_ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock_lbl" xlink:title="label: ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock to us-gaap_ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock_lbl1" xml:lang="en-US" id="us-gaap_ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock_lbl1"> Schedule of Accounts Payable and Accrued Liabilities [Table Text Block] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock" xlink:to="us-gaap_ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock_lbl1" xlink:title="label: ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock to us-gaap_ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:label="ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:title="ScheduleOfAvailableForSaleSecuritiesLineItems"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_lbl" xml:lang="en-US" id="us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_lbl"> Schedule of Available-for-sale Securities [Line Items] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:to="us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_lbl" xlink:title="label: ScheduleOfAvailableForSaleSecuritiesLineItems to us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:label="ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:title="ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis"/>
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<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:to="us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_lbl" xlink:title="label: ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis to us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentsTable" xlink:label="ScheduleOfEquityMethodInvestmentsTable" xlink:title="ScheduleOfEquityMethodInvestmentsTable"/>
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<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentsLineItems" xlink:label="ScheduleOfEquityMethodInvestmentsLineItems" xlink:title="ScheduleOfEquityMethodInvestmentsLineItems"/>
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<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:label="ScheduleOfPropertyPlantAndEquipmentTable" xlink:title="ScheduleOfPropertyPlantAndEquipmentTable"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_lbl" xml:lang="en-US" id="us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_lbl"> Schedule of Property, Plant and Equipment [Table] </link:label>
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<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:title="ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
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<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock" xlink:label="ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock" xlink:title="ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="us-gaap_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock_lbl" xml:lang="en-US" id="us-gaap_ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock_lbl"> SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS </link:label>
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<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTable" xlink:label="ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTable" xlink:title="ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTable"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTable_lbl" xml:lang="en-US" id="us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTable_lbl"> Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table] </link:label>
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<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardExpirationDate" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardExpirationDate" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardExpirationDate"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardExpirationDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardExpirationDate_lbl" xml:lang="en-US" id="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardExpirationDate_lbl"> Expiration date </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardExpirationDate" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardExpirationDate_lbl" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardExpirationDate to us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardExpirationDate_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardExpirationDate_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardExpirationDate_lbl1" xml:lang="en-US" id="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardExpirationDate_lbl1"> Share-based Compensation Arrangement by Share-based Payment Award, Expiration Date </link:label>
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<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_lbl" xml:lang="en-US" id="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_lbl"> Weighted-Average Exercise Price Options [Abstract] </link:label>
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<link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_lbl1" xml:lang="en-US" id="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_lbl1"> Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] </link:label>
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<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod"/>
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<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_lbl" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod to us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_lbl1" xml:lang="en-US" id="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_lbl1"> Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_lbl1" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod to us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_lbl" xml:lang="en-US" id="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_lbl"> Granted (in dollars per share) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_lbl" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue to us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_lbl1" xml:lang="en-US" id="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_lbl1"> Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_lbl1" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue to us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" xlink:label="ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" xlink:title="ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice"/>
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<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" xlink:to="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_lbl" xlink:title="label: ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice to us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice" xlink:label="ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice" xlink:title="ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice_lbl" xml:lang="en-US" id="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice_lbl"> Forfeited (in dollars per share) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice" xlink:to="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice_lbl" xlink:title="label: ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice to us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice_lbl1" xml:lang="en-US" id="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice_lbl1"> Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice" xlink:to="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice_lbl1" xlink:title="label: ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice to us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:title="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_lbl" xml:lang="en-US" id="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_lbl"> Non-vested at end of period (in shares) </link:label>
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<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_lbl1" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber to us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_lbl1"/>
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<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_lbl2" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber to us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_lbl2"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod"/>
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<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_lbl" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod to us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_lbl"/>
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<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_lbl1" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod to us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensation" xlink:label="ShareBasedCompensation" xlink:title="ShareBasedCompensation"/>
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<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensation" xlink:to="us-gaap_ShareBasedCompensation_lbl1" xlink:title="label: ShareBasedCompensation to us-gaap_ShareBasedCompensation_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1"/>
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<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_lbl" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1 to us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_lbl"/>
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<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_lbl1" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1 to us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_lbl" xml:lang="en-US" id="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_lbl"> Share-based Compensation Arrangement by Share-based Payment Award [Line Items] </link:label>
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<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:title="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_lbl" xml:lang="en-US" id="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_lbl"> Non-vested at end of period (in dollars per share) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_lbl" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue to us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_lbl1" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:title="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_lbl1" xml:lang="en-US" id="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_lbl1"> Non-vested at beginning of period (in dollars per share) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_lbl1" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue to us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_lbl1"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_lbl2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_lbl2" xml:lang="en-US" id="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_lbl2"> Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_lbl2" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue to us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_lbl2"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_lbl" xml:lang="en-US" id="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_lbl"> Pre-vested forfeitures (in dollars per share) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_lbl" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue to us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_lbl1" xml:lang="en-US" id="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_lbl1"> Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_lbl1" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue to us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod"/>
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<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_lbl" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod to us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_lbl1" xml:lang="en-US" id="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_lbl1"> Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_lbl1" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod to us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SharePrice" xlink:label="SharePrice" xlink:title="SharePrice"/>
<link:label xlink:type="resource" xlink:label="us-gaap_SharePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="us-gaap_SharePrice_lbl" xml:lang="en-US" id="us-gaap_SharePrice_lbl"> Closing price of the common stock (in dollars per share) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SharePrice" xlink:to="us-gaap_SharePrice_lbl" xlink:title="label: SharePrice to us-gaap_SharePrice_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_SharePrice_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_SharePrice_lbl1" xml:lang="en-US" id="us-gaap_SharePrice_lbl1"> Common stock per share value (in dollars per share) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SharePrice" xlink:to="us-gaap_SharePrice_lbl1" xlink:title="label: SharePrice to us-gaap_SharePrice_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice" xlink:label="ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice" xlink:title="ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice_lbl" xml:lang="en-US" id="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice_lbl"> Expired (in dollars per share) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice" xlink:to="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice_lbl" xlink:title="label: ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice to us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice_lbl1" xml:lang="en-US" id="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice_lbl1"> Share-based Compensation Arrangements by Share-based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice" xlink:to="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice_lbl1" xlink:title="label: ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice to us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice" xlink:label="ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice" xlink:title="ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_lbl" xml:lang="en-US" id="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_lbl"> Exercised (in dollars per share) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice" xlink:to="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_lbl" xlink:title="label: ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice to us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod_lbl" xml:lang="en-US" id="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod_lbl"> Granted (in shares) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod_lbl" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod to us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:title="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_lbl" xml:lang="en-US" id="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_lbl"> Exercisable at end of year (in dollars per share) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_lbl" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice to us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_lbl"/>
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<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_lbl1" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice to us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsMethodUsed" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsMethodUsed" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsMethodUsed"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsMethodUsed_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsMethodUsed_lbl" xml:lang="en-US" id="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsMethodUsed_lbl"> Share based compensation arrangement by share-based payment award fair value assumptions method used </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsMethodUsed" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsMethodUsed_lbl" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsMethodUsed to us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsMethodUsed_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsMethodUsed_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsMethodUsed_lbl1" xml:lang="en-US" id="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsMethodUsed_lbl1"> Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Method Used </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsMethodUsed" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsMethodUsed_lbl1" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsMethodUsed to us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsMethodUsed_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_lbl" xml:lang="en-US" id="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_lbl"> Expected dividend yield (in hundredths) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_lbl" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate to us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_lbl1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_lbl1" xml:lang="en-US" id="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_lbl1"> Expected dividend yield (in hundredths) </link:label>
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<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod_lbl" xml:lang="en-US" id="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod_lbl"> Expired (in shares) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod_lbl" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod to us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod_lbl1" xml:lang="en-US" id="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod_lbl1"> Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod_lbl1" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod to us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_lbl" xml:lang="en-US" id="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_lbl"> Forfeited (in shares) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_lbl" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod to us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_lbl1" xml:lang="en-US" id="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_lbl1"> Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_lbl1" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod to us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_lbl" xml:lang="en-US" id="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_lbl"> Vested (in dollars per share) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_lbl" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue to us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:title="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_lbl" xml:lang="en-US" id="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_lbl"> Exercisable at end of year (in shares) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_lbl" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber to us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_lbl1" xml:lang="en-US" id="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_lbl1"> Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_lbl1" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber to us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_lbl" xml:lang="en-US" id="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_lbl"> Share-based compensation, shares available for future grant (in shares) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_lbl" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant to us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_lbl" xml:lang="en-US" id="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_lbl"> Aggregate intrinsic value of options exercised </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_lbl" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue to us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_lbl" xml:lang="en-US" id="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_lbl"> Expected volatility (in hundredths) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_lbl" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate to us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_lbl1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_lbl1" xml:lang="en-US" id="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_lbl1"> Expected volatility (in hundredths) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_lbl1" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate to us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_lbl" xml:lang="en-US" id="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_lbl"> Common stock reserved for future issuance (in shares) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_lbl" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized to us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_lbl" xml:lang="en-US" id="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_lbl"> Risk-free interest rate (in hundredths) </link:label>
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<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract_lbl" xml:lang="en-US" id="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract_lbl"> Share-based compensation arrangement by share-based payment award, fair value assumptions and methodology [Abstract] </link:label>
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<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_lbl" xml:lang="en-US" id="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_lbl"> Weighted average fair value of stock options granted during the year (in dollars per share) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_lbl" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue to us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_lbl"/>
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<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_lbl" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice to us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_lbl1" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:title="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_lbl1" xml:lang="en-US" id="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_lbl1"> Outstanding - end of year (in dollars per share) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_lbl1" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice to us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_lbl1"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_lbl2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_lbl2" xml:lang="en-US" id="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_lbl2"> Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_lbl2" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice to us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_lbl2"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:title="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_lbl" xml:lang="en-US" id="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_lbl"> Outstanding - beginning of year (in shares) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_lbl" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber to us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_lbl1" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:title="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_lbl1" xml:lang="en-US" id="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_lbl1"> Outstanding - end of year (in shares) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_lbl1" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber to us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_lbl1"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_lbl2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_lbl2" xml:lang="en-US" id="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_lbl2"> Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_lbl2" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber to us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_lbl2"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems" xlink:label="ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems" xlink:title="ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems_lbl" xml:lang="en-US" id="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems_lbl"> Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems" xlink:to="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems_lbl" xlink:title="label: ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems to us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_lbl" xml:lang="en-US" id="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_lbl"> The aggregate intrinsic value of outstanding options </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_lbl" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue to us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis" xlink:label="ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis" xlink:title="ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_lbl" xml:lang="en-US" id="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_lbl"> Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Axis] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis" xlink:to="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_lbl" xlink:title="label: ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis to us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain" xlink:label="ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain" xlink:title="ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain_lbl" xml:lang="en-US" id="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain_lbl"> Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Domain] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain" xlink:to="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain_lbl" xlink:title="label: ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain to us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:title="ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_lbl" xml:lang="en-US" id="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_lbl"> Share-based Compensation Arrangements by Share-based Payment Award, Award Type [Domain] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_lbl" xlink:title="label: ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain to us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit" xlink:label="ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit" xlink:title="ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit_lbl" xml:lang="en-US" id="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit_lbl"> Range of Exercise Prices, Lower Range (in dollars per share) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit" xlink:to="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit_lbl" xlink:title="label: ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit to us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions" xlink:label="ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions" xlink:title="ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions_lbl" xml:lang="en-US" id="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions_lbl"> Number of Options (in shares) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions" xlink:to="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions_lbl" xlink:title="label: ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions to us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions" xlink:label="ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions" xlink:title="ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions_lbl" xml:lang="en-US" id="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions_lbl"> Number of Options Exercisable (in shares) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions" xlink:to="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions_lbl" xlink:title="label: ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions to us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit" xlink:label="ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit" xlink:title="ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit_lbl" xml:lang="en-US" id="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit_lbl"> Range of Exercise Prices, Upper Range (in dollars per share) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit" xlink:to="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit_lbl" xlink:title="label: ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit to us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SignificantAccountingPoliciesTextBlock" xlink:label="SignificantAccountingPoliciesTextBlock" xlink:title="SignificantAccountingPoliciesTextBlock"/>
<link:label xlink:type="resource" xlink:label="us-gaap_SignificantAccountingPoliciesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="us-gaap_SignificantAccountingPoliciesTextBlock_lbl" xml:lang="en-US" id="us-gaap_SignificantAccountingPoliciesTextBlock_lbl"> Summary of Significant Accounting Policies </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SignificantAccountingPoliciesTextBlock" xlink:to="us-gaap_SignificantAccountingPoliciesTextBlock_lbl" xlink:title="label: SignificantAccountingPoliciesTextBlock to us-gaap_SignificantAccountingPoliciesTextBlock_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_SignificantAccountingPoliciesTextBlock_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_SignificantAccountingPoliciesTextBlock_lbl1" xml:lang="en-US" id="us-gaap_SignificantAccountingPoliciesTextBlock_lbl1"> Significant Accounting Policies [Text Block] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SignificantAccountingPoliciesTextBlock" xlink:to="us-gaap_SignificantAccountingPoliciesTextBlock_lbl1" xlink:title="label: SignificantAccountingPoliciesTextBlock to us-gaap_SignificantAccountingPoliciesTextBlock_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StateAndLocalJurisdictionMember" xlink:label="StateAndLocalJurisdictionMember" xlink:title="StateAndLocalJurisdictionMember"/>
<link:label xlink:type="resource" xlink:label="us-gaap_StateAndLocalJurisdictionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_StateAndLocalJurisdictionMember_lbl" xml:lang="en-US" id="us-gaap_StateAndLocalJurisdictionMember_lbl"> State [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StateAndLocalJurisdictionMember" xlink:to="us-gaap_StateAndLocalJurisdictionMember_lbl" xlink:title="label: StateAndLocalJurisdictionMember to us-gaap_StateAndLocalJurisdictionMember_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="StatementScenarioAxis" xlink:title="StatementScenarioAxis"/>
<link:label xlink:type="resource" xlink:label="us-gaap_StatementScenarioAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_StatementScenarioAxis_lbl" xml:lang="en-US" id="us-gaap_StatementScenarioAxis_lbl"> Scenario [Axis] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StatementScenarioAxis" xlink:to="us-gaap_StatementScenarioAxis_lbl" xlink:title="label: StatementScenarioAxis to us-gaap_StatementScenarioAxis_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementTable" xlink:label="StatementTable" xlink:title="StatementTable"/>
<link:label xlink:type="resource" xlink:label="us-gaap_StatementTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_StatementTable_lbl" xml:lang="en-US" id="us-gaap_StatementTable_lbl"> Statement [Table] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StatementTable" xlink:to="us-gaap_StatementTable_lbl" xlink:title="label: StatementTable to us-gaap_StatementTable_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementLineItems" xlink:label="StatementLineItems" xlink:title="StatementLineItems"/>
<link:label xlink:type="resource" xlink:label="us-gaap_StatementLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_StatementLineItems_lbl" xml:lang="en-US" id="us-gaap_StatementLineItems_lbl"> Statement [Line Items] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StatementLineItems" xlink:to="us-gaap_StatementLineItems_lbl" xlink:title="label: StatementLineItems to us-gaap_StatementLineItems_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementOfStockholdersEquityAbstract" xlink:label="StatementOfStockholdersEquityAbstract" xlink:title="StatementOfStockholdersEquityAbstract"/>
<link:label xlink:type="resource" xlink:label="us-gaap_StatementOfStockholdersEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_StatementOfStockholdersEquityAbstract_lbl" xml:lang="en-US" id="us-gaap_StatementOfStockholdersEquityAbstract_lbl"> CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StatementOfStockholdersEquityAbstract" xlink:to="us-gaap_StatementOfStockholdersEquityAbstract_lbl" xlink:title="label: StatementOfStockholdersEquityAbstract to us-gaap_StatementOfStockholdersEquityAbstract_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementOfCashFlowsAbstract" xlink:label="StatementOfCashFlowsAbstract" xlink:title="StatementOfCashFlowsAbstract"/>
<link:label xlink:type="resource" xlink:label="us-gaap_StatementOfCashFlowsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_StatementOfCashFlowsAbstract_lbl" xml:lang="en-US" id="us-gaap_StatementOfCashFlowsAbstract_lbl"> CONSOLIDATED STATEMENTS OF CASH FLOWS [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StatementOfCashFlowsAbstract" xlink:to="us-gaap_StatementOfCashFlowsAbstract_lbl" xlink:title="label: StatementOfCashFlowsAbstract to us-gaap_StatementOfCashFlowsAbstract_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="StatementEquityComponentsAxis" xlink:title="StatementEquityComponentsAxis"/>
<link:label xlink:type="resource" xlink:label="us-gaap_StatementEquityComponentsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_StatementEquityComponentsAxis_lbl" xml:lang="en-US" id="us-gaap_StatementEquityComponentsAxis_lbl"> Statement, Equity Components [Axis] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StatementEquityComponentsAxis" xlink:to="us-gaap_StatementEquityComponentsAxis_lbl" xlink:title="label: StatementEquityComponentsAxis to us-gaap_StatementEquityComponentsAxis_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementOfFinancialPositionAbstract" xlink:label="StatementOfFinancialPositionAbstract" xlink:title="StatementOfFinancialPositionAbstract"/>
<link:label xlink:type="resource" xlink:label="us-gaap_StatementOfFinancialPositionAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_StatementOfFinancialPositionAbstract_lbl" xml:lang="en-US" id="us-gaap_StatementOfFinancialPositionAbstract_lbl"> CONSOLIDATED BALANCE SHEETS [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StatementOfFinancialPositionAbstract" xlink:to="us-gaap_StatementOfFinancialPositionAbstract_lbl" xlink:title="label: StatementOfFinancialPositionAbstract to us-gaap_StatementOfFinancialPositionAbstract_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised" xlink:label="StockIssuedDuringPeriodValueStockOptionsExercised" xlink:title="StockIssuedDuringPeriodValueStockOptionsExercised"/>
<link:label xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised_lbl" xml:lang="en-US" id="us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised_lbl"> Options and warrants exercised </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodValueStockOptionsExercised" xlink:to="us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised_lbl" xlink:title="label: StockIssuedDuringPeriodValueStockOptionsExercised to us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised_lbl1" xml:lang="en-US" id="us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised_lbl1"> Stock Issued During Period, Value, Stock Options Exercised </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodValueStockOptionsExercised" xlink:to="us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised_lbl1" xlink:title="label: StockIssuedDuringPeriodValueStockOptionsExercised to us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" xlink:label="StockIssuedDuringPeriodSharesStockOptionsExercised" xlink:title="StockIssuedDuringPeriodSharesStockOptionsExercised"/>
<link:label xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_lbl" xml:lang="en-US" id="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_lbl"> Options and warrants exercised (in shares) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodSharesStockOptionsExercised" xlink:to="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_lbl" xlink:title="label: StockIssuedDuringPeriodSharesStockOptionsExercised to us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_lbl1" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_lbl1" xml:lang="en-US" id="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_lbl1"> Exercised (in shares) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodSharesStockOptionsExercised" xlink:to="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_lbl1" xlink:title="label: StockIssuedDuringPeriodSharesStockOptionsExercised to us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_lbl1"/>
<link:label xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_lbl2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_lbl2" xml:lang="en-US" id="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_lbl2"> Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodSharesStockOptionsExercised" xlink:to="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_lbl2" xlink:title="label: StockIssuedDuringPeriodSharesStockOptionsExercised to us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_lbl2"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueShareBasedCompensationGross" xlink:label="StockIssuedDuringPeriodValueShareBasedCompensationGross" xlink:title="StockIssuedDuringPeriodValueShareBasedCompensationGross"/>
<link:label xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueShareBasedCompensationGross_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_StockIssuedDuringPeriodValueShareBasedCompensationGross_lbl" xml:lang="en-US" id="us-gaap_StockIssuedDuringPeriodValueShareBasedCompensationGross_lbl"> Issuance of restricted stock for compensation </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodValueShareBasedCompensationGross" xlink:to="us-gaap_StockIssuedDuringPeriodValueShareBasedCompensationGross_lbl" xlink:title="label: StockIssuedDuringPeriodValueShareBasedCompensationGross to us-gaap_StockIssuedDuringPeriodValueShareBasedCompensationGross_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:label="StockIssuedDuringPeriodSharesNewIssues" xlink:title="StockIssuedDuringPeriodSharesNewIssues"/>
<link:label xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesNewIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="us-gaap_StockIssuedDuringPeriodSharesNewIssues_lbl" xml:lang="en-US" id="us-gaap_StockIssuedDuringPeriodSharesNewIssues_lbl"> Common stock and warrants issued in connection with a public offering (in shares) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodSharesNewIssues" xlink:to="us-gaap_StockIssuedDuringPeriodSharesNewIssues_lbl" xlink:title="label: StockIssuedDuringPeriodSharesNewIssues to us-gaap_StockIssuedDuringPeriodSharesNewIssues_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesNewIssues_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_StockIssuedDuringPeriodSharesNewIssues_lbl1" xml:lang="en-US" id="us-gaap_StockIssuedDuringPeriodSharesNewIssues_lbl1"> Stock issued, underwritten public offering, value (in shares) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodSharesNewIssues" xlink:to="us-gaap_StockIssuedDuringPeriodSharesNewIssues_lbl1" xlink:title="label: StockIssuedDuringPeriodSharesNewIssues to us-gaap_StockIssuedDuringPeriodSharesNewIssues_lbl1"/>
<link:label xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesNewIssues_lbl2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="us-gaap_StockIssuedDuringPeriodSharesNewIssues_lbl2" xml:lang="en-US" id="us-gaap_StockIssuedDuringPeriodSharesNewIssues_lbl2"> Stock issued underwritten public offering (in shares) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodSharesNewIssues" xlink:to="us-gaap_StockIssuedDuringPeriodSharesNewIssues_lbl2" xlink:title="label: StockIssuedDuringPeriodSharesNewIssues to us-gaap_StockIssuedDuringPeriodSharesNewIssues_lbl2"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationGross" xlink:label="StockIssuedDuringPeriodSharesShareBasedCompensationGross" xlink:title="StockIssuedDuringPeriodSharesShareBasedCompensationGross"/>
<link:label xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationGross_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationGross_lbl" xml:lang="en-US" id="us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationGross_lbl"> Issuance of restricted stock for compensation (in shares) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodSharesShareBasedCompensationGross" xlink:to="us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationGross_lbl" xlink:title="label: StockIssuedDuringPeriodSharesShareBasedCompensationGross to us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationGross_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueNewIssues" xlink:label="StockIssuedDuringPeriodValueNewIssues" xlink:title="StockIssuedDuringPeriodValueNewIssues"/>
<link:label xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueNewIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="us-gaap_StockIssuedDuringPeriodValueNewIssues_lbl" xml:lang="en-US" id="us-gaap_StockIssuedDuringPeriodValueNewIssues_lbl"> Common stock and warrants issued in connection with a public offering </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodValueNewIssues" xlink:to="us-gaap_StockIssuedDuringPeriodValueNewIssues_lbl" xlink:title="label: StockIssuedDuringPeriodValueNewIssues to us-gaap_StockIssuedDuringPeriodValueNewIssues_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueNewIssues_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_StockIssuedDuringPeriodValueNewIssues_lbl1" xml:lang="en-US" id="us-gaap_StockIssuedDuringPeriodValueNewIssues_lbl1"> Stock issued, underwritten public offering, value </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodValueNewIssues" xlink:to="us-gaap_StockIssuedDuringPeriodValueNewIssues_lbl1" xlink:title="label: StockIssuedDuringPeriodValueNewIssues to us-gaap_StockIssuedDuringPeriodValueNewIssues_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StockholdersEquityReverseStockSplit" xlink:label="StockholdersEquityReverseStockSplit" xlink:title="StockholdersEquityReverseStockSplit"/>
<link:label xlink:type="resource" xlink:label="us-gaap_StockholdersEquityReverseStockSplit_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_StockholdersEquityReverseStockSplit_lbl" xml:lang="en-US" id="us-gaap_StockholdersEquityReverseStockSplit_lbl"> Reverse stock split conversation ratio </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockholdersEquityReverseStockSplit" xlink:to="us-gaap_StockholdersEquityReverseStockSplit_lbl" xlink:title="label: StockholdersEquityReverseStockSplit to us-gaap_StockholdersEquityReverseStockSplit_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StockholdersEquityAbstract" xlink:label="StockholdersEquityAbstract" xlink:title="StockholdersEquityAbstract"/>
<link:label xlink:type="resource" xlink:label="us-gaap_StockholdersEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_StockholdersEquityAbstract_lbl" xml:lang="en-US" id="us-gaap_StockholdersEquityAbstract_lbl"> Stockholders' equity: </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockholdersEquityAbstract" xlink:to="us-gaap_StockholdersEquityAbstract_lbl" xlink:title="label: StockholdersEquityAbstract to us-gaap_StockholdersEquityAbstract_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_StockholdersEquityAbstract_lbl1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="us-gaap_StockholdersEquityAbstract_lbl1" xml:lang="en-US" id="us-gaap_StockholdersEquityAbstract_lbl1"> Stockholders' equity: </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockholdersEquityAbstract" xlink:to="us-gaap_StockholdersEquityAbstract_lbl1" xlink:title="label: StockholdersEquityAbstract to us-gaap_StockholdersEquityAbstract_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="StockholdersEquity" xlink:title="StockholdersEquity"/>
<link:label xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="us-gaap_StockholdersEquity_lbl" xml:lang="en-US" id="us-gaap_StockholdersEquity_lbl"> Total stockholders' equity </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockholdersEquity" xlink:to="us-gaap_StockholdersEquity_lbl" xlink:title="label: StockholdersEquity to us-gaap_StockholdersEquity_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl1" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:title="us-gaap_StockholdersEquity_lbl1" xml:lang="en-US" id="us-gaap_StockholdersEquity_lbl1"> Balance </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockholdersEquity" xlink:to="us-gaap_StockholdersEquity_lbl1" xlink:title="label: StockholdersEquity to us-gaap_StockholdersEquity_lbl1"/>
<link:label xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl2" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:title="us-gaap_StockholdersEquity_lbl2" xml:lang="en-US" id="us-gaap_StockholdersEquity_lbl2"> Balance </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockholdersEquity" xlink:to="us-gaap_StockholdersEquity_lbl2" xlink:title="label: StockholdersEquity to us-gaap_StockholdersEquity_lbl2"/>
<link:label xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_StockholdersEquity_lbl3" xml:lang="en-US" id="us-gaap_StockholdersEquity_lbl3"> Stockholders' Equity Attributable to Parent </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockholdersEquity" xlink:to="us-gaap_StockholdersEquity_lbl3" xlink:title="label: StockholdersEquity to us-gaap_StockholdersEquity_lbl3"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StockholdersEquityNoteAbstract" xlink:label="StockholdersEquityNoteAbstract" xlink:title="StockholdersEquityNoteAbstract"/>
<link:label xlink:type="resource" xlink:label="us-gaap_StockholdersEquityNoteAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_StockholdersEquityNoteAbstract_lbl" xml:lang="en-US" id="us-gaap_StockholdersEquityNoteAbstract_lbl"> Equity Transactions [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockholdersEquityNoteAbstract" xlink:to="us-gaap_StockholdersEquityNoteAbstract_lbl" xlink:title="label: StockholdersEquityNoteAbstract to us-gaap_StockholdersEquityNoteAbstract_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StockholdersEquityNoteDisclosureTextBlock" xlink:label="StockholdersEquityNoteDisclosureTextBlock" xlink:title="StockholdersEquityNoteDisclosureTextBlock"/>
<link:label xlink:type="resource" xlink:label="us-gaap_StockholdersEquityNoteDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="us-gaap_StockholdersEquityNoteDisclosureTextBlock_lbl" xml:lang="en-US" id="us-gaap_StockholdersEquityNoteDisclosureTextBlock_lbl"> Equity Transactions </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockholdersEquityNoteDisclosureTextBlock" xlink:to="us-gaap_StockholdersEquityNoteDisclosureTextBlock_lbl" xlink:title="label: StockholdersEquityNoteDisclosureTextBlock to us-gaap_StockholdersEquityNoteDisclosureTextBlock_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_StockholdersEquityNoteDisclosureTextBlock_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_StockholdersEquityNoteDisclosureTextBlock_lbl1" xml:lang="en-US" id="us-gaap_StockholdersEquityNoteDisclosureTextBlock_lbl1"> Stockholders' Equity Note Disclosure [Text Block] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockholdersEquityNoteDisclosureTextBlock" xlink:to="us-gaap_StockholdersEquityNoteDisclosureTextBlock_lbl1" xlink:title="label: StockholdersEquityNoteDisclosureTextBlock to us-gaap_StockholdersEquityNoteDisclosureTextBlock_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SubsequentEventsTextBlock" xlink:label="SubsequentEventsTextBlock" xlink:title="SubsequentEventsTextBlock"/>
<link:label xlink:type="resource" xlink:label="us-gaap_SubsequentEventsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_SubsequentEventsTextBlock_lbl" xml:lang="en-US" id="us-gaap_SubsequentEventsTextBlock_lbl"> Subsequent Events </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SubsequentEventsTextBlock" xlink:to="us-gaap_SubsequentEventsTextBlock_lbl" xlink:title="label: SubsequentEventsTextBlock to us-gaap_SubsequentEventsTextBlock_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SubsequentEventsAbstract" xlink:label="SubsequentEventsAbstract" xlink:title="SubsequentEventsAbstract"/>
<link:label xlink:type="resource" xlink:label="us-gaap_SubsequentEventsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_SubsequentEventsAbstract_lbl" xml:lang="en-US" id="us-gaap_SubsequentEventsAbstract_lbl"> Subsequent Events [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SubsequentEventsAbstract" xlink:to="us-gaap_SubsequentEventsAbstract_lbl" xlink:title="label: SubsequentEventsAbstract to us-gaap_SubsequentEventsAbstract_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SubsequentEventTable" xlink:label="SubsequentEventTable" xlink:title="SubsequentEventTable"/>
<link:label xlink:type="resource" xlink:label="us-gaap_SubsequentEventTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_SubsequentEventTable_lbl" xml:lang="en-US" id="us-gaap_SubsequentEventTable_lbl"> Subsequent Event [Table] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SubsequentEventTable" xlink:to="us-gaap_SubsequentEventTable_lbl" xlink:title="label: SubsequentEventTable to us-gaap_SubsequentEventTable_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SubsequentEventLineItems" xlink:label="SubsequentEventLineItems" xlink:title="SubsequentEventLineItems"/>
<link:label xlink:type="resource" xlink:label="us-gaap_SubsequentEventLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_SubsequentEventLineItems_lbl" xml:lang="en-US" id="us-gaap_SubsequentEventLineItems_lbl"> Subsequent Event [Line Items] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SubsequentEventLineItems" xlink:to="us-gaap_SubsequentEventLineItems_lbl" xlink:title="label: SubsequentEventLineItems to us-gaap_SubsequentEventLineItems_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SubsequentEventMember" xlink:label="SubsequentEventMember" xlink:title="SubsequentEventMember"/>
<link:label xlink:type="resource" xlink:label="us-gaap_SubsequentEventMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_SubsequentEventMember_lbl" xml:lang="en-US" id="us-gaap_SubsequentEventMember_lbl"> Subsequent Event [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SubsequentEventMember" xlink:to="us-gaap_SubsequentEventMember_lbl" xlink:title="label: SubsequentEventMember to us-gaap_SubsequentEventMember_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="SubsequentEventTypeDomain" xlink:title="SubsequentEventTypeDomain"/>
<link:label xlink:type="resource" xlink:label="us-gaap_SubsequentEventTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_SubsequentEventTypeDomain_lbl" xml:lang="en-US" id="us-gaap_SubsequentEventTypeDomain_lbl"> Subsequent Event Type [Domain] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SubsequentEventTypeDomain" xlink:to="us-gaap_SubsequentEventTypeDomain_lbl" xlink:title="label: SubsequentEventTypeDomain to us-gaap_SubsequentEventTypeDomain_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SubsequentEventTypeAxis" xlink:label="SubsequentEventTypeAxis" xlink:title="SubsequentEventTypeAxis"/>
<link:label xlink:type="resource" xlink:label="us-gaap_SubsequentEventTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_SubsequentEventTypeAxis_lbl" xml:lang="en-US" id="us-gaap_SubsequentEventTypeAxis_lbl"> Subsequent Event Type [Axis] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SubsequentEventTypeAxis" xlink:to="us-gaap_SubsequentEventTypeAxis_lbl" xlink:title="label: SubsequentEventTypeAxis to us-gaap_SubsequentEventTypeAxis_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SupplementalCashFlowInformationAbstract" xlink:label="SupplementalCashFlowInformationAbstract" xlink:title="SupplementalCashFlowInformationAbstract"/>
<link:label xlink:type="resource" xlink:label="us-gaap_SupplementalCashFlowInformationAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_SupplementalCashFlowInformationAbstract_lbl" xml:lang="en-US" id="us-gaap_SupplementalCashFlowInformationAbstract_lbl"> Supplemental disclosure of Cash Flow Information: </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SupplementalCashFlowInformationAbstract" xlink:to="us-gaap_SupplementalCashFlowInformationAbstract_lbl" xlink:title="label: SupplementalCashFlowInformationAbstract to us-gaap_SupplementalCashFlowInformationAbstract_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_TreasuryStockValueAcquiredCostMethod" xlink:label="TreasuryStockValueAcquiredCostMethod" xlink:title="TreasuryStockValueAcquiredCostMethod"/>
<link:label xlink:type="resource" xlink:label="us-gaap_TreasuryStockValueAcquiredCostMethod_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:title="us-gaap_TreasuryStockValueAcquiredCostMethod_lbl" xml:lang="en-US" id="us-gaap_TreasuryStockValueAcquiredCostMethod_lbl"> Repurchase of common stock for treasury </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TreasuryStockValueAcquiredCostMethod" xlink:to="us-gaap_TreasuryStockValueAcquiredCostMethod_lbl" xlink:title="label: TreasuryStockValueAcquiredCostMethod to us-gaap_TreasuryStockValueAcquiredCostMethod_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_TreasuryStockValueAcquiredCostMethod_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_TreasuryStockValueAcquiredCostMethod_lbl1" xml:lang="en-US" id="us-gaap_TreasuryStockValueAcquiredCostMethod_lbl1"> Treasury Stock, Value, Acquired, Cost Method </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TreasuryStockValueAcquiredCostMethod" xlink:to="us-gaap_TreasuryStockValueAcquiredCostMethod_lbl1" xlink:title="label: TreasuryStockValueAcquiredCostMethod to us-gaap_TreasuryStockValueAcquiredCostMethod_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_TreasuryStockShares" xlink:label="TreasuryStockShares" xlink:title="TreasuryStockShares"/>
<link:label xlink:type="resource" xlink:label="us-gaap_TreasuryStockShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_TreasuryStockShares_lbl" xml:lang="en-US" id="us-gaap_TreasuryStockShares_lbl"> Treasury stock (in shares) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TreasuryStockShares" xlink:to="us-gaap_TreasuryStockShares_lbl" xlink:title="label: TreasuryStockShares to us-gaap_TreasuryStockShares_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_TreasuryStockMember" xlink:label="TreasuryStockMember" xlink:title="TreasuryStockMember"/>
<link:label xlink:type="resource" xlink:label="us-gaap_TreasuryStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_TreasuryStockMember_lbl" xml:lang="en-US" id="us-gaap_TreasuryStockMember_lbl"> Treasury Stock [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TreasuryStockMember" xlink:to="us-gaap_TreasuryStockMember_lbl" xlink:title="label: TreasuryStockMember to us-gaap_TreasuryStockMember_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_TreasuryStockValue" xlink:label="TreasuryStockValue" xlink:title="TreasuryStockValue"/>
<link:label xlink:type="resource" xlink:label="us-gaap_TreasuryStockValue_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="us-gaap_TreasuryStockValue_lbl" xml:lang="en-US" id="us-gaap_TreasuryStockValue_lbl"> Treasury stock, at cost (143,796 shares and 90,546 at December 31, 2013 and 2012, respectively) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TreasuryStockValue" xlink:to="us-gaap_TreasuryStockValue_lbl" xlink:title="label: TreasuryStockValue to us-gaap_TreasuryStockValue_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_TreasuryStockValue_lbl1" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:title="us-gaap_TreasuryStockValue_lbl1" xml:lang="en-US" id="us-gaap_TreasuryStockValue_lbl1"> Treasury stock </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TreasuryStockValue" xlink:to="us-gaap_TreasuryStockValue_lbl1" xlink:title="label: TreasuryStockValue to us-gaap_TreasuryStockValue_lbl1"/>
<link:label xlink:type="resource" xlink:label="us-gaap_TreasuryStockValue_lbl2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_TreasuryStockValue_lbl2" xml:lang="en-US" id="us-gaap_TreasuryStockValue_lbl2"> Treasury Stock, Value </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TreasuryStockValue" xlink:to="us-gaap_TreasuryStockValue_lbl2" xlink:title="label: TreasuryStockValue to us-gaap_TreasuryStockValue_lbl2"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued" xlink:label="UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued" xlink:title="UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued"/>
<link:label xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued_lbl" xml:lang="en-US" id="us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued_lbl"> Unrecognized tax benefits accrued interest or penalties </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued" xlink:to="us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued_lbl" xlink:title="label: UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued to us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued_lbl1" xml:lang="en-US" id="us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued_lbl1"> Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued" xlink:to="us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued_lbl1" xlink:title="label: UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued to us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsPeriodIncreaseDecrease" xlink:label="UnrecognizedTaxBenefitsPeriodIncreaseDecrease" xlink:title="UnrecognizedTaxBenefitsPeriodIncreaseDecrease"/>
<link:label xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefitsPeriodIncreaseDecrease_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="us-gaap_UnrecognizedTaxBenefitsPeriodIncreaseDecrease_lbl" xml:lang="en-US" id="us-gaap_UnrecognizedTaxBenefitsPeriodIncreaseDecrease_lbl"> Change in unrecognized tax benefits </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="UnrecognizedTaxBenefitsPeriodIncreaseDecrease" xlink:to="us-gaap_UnrecognizedTaxBenefitsPeriodIncreaseDecrease_lbl" xlink:title="label: UnrecognizedTaxBenefitsPeriodIncreaseDecrease to us-gaap_UnrecognizedTaxBenefitsPeriodIncreaseDecrease_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefitsPeriodIncreaseDecrease_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_UnrecognizedTaxBenefitsPeriodIncreaseDecrease_lbl1" xml:lang="en-US" id="us-gaap_UnrecognizedTaxBenefitsPeriodIncreaseDecrease_lbl1"> Unrecognized Tax Benefits, Period Increase (Decrease) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="UnrecognizedTaxBenefitsPeriodIncreaseDecrease" xlink:to="us-gaap_UnrecognizedTaxBenefitsPeriodIncreaseDecrease_lbl1" xlink:title="label: UnrecognizedTaxBenefitsPeriodIncreaseDecrease to us-gaap_UnrecognizedTaxBenefitsPeriodIncreaseDecrease_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_UseOfEstimates" xlink:label="UseOfEstimates" xlink:title="UseOfEstimates"/>
<link:label xlink:type="resource" xlink:label="us-gaap_UseOfEstimates_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_UseOfEstimates_lbl" xml:lang="en-US" id="us-gaap_UseOfEstimates_lbl"> Use of Estimates </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="UseOfEstimates" xlink:to="us-gaap_UseOfEstimates_lbl" xlink:title="label: UseOfEstimates to us-gaap_UseOfEstimates_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ValuationAndQualifyingAccountsDisclosureTable" xlink:label="ValuationAndQualifyingAccountsDisclosureTable" xlink:title="ValuationAndQualifyingAccountsDisclosureTable"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ValuationAndQualifyingAccountsDisclosureTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ValuationAndQualifyingAccountsDisclosureTable_lbl" xml:lang="en-US" id="us-gaap_ValuationAndQualifyingAccountsDisclosureTable_lbl"> Valuation and Qualifying Accounts Disclosure [Table] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ValuationAndQualifyingAccountsDisclosureTable" xlink:to="us-gaap_ValuationAndQualifyingAccountsDisclosureTable_lbl" xlink:title="label: ValuationAndQualifyingAccountsDisclosureTable to us-gaap_ValuationAndQualifyingAccountsDisclosureTable_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ValuationAllowancesAndReservesDomain" xlink:label="ValuationAllowancesAndReservesDomain" xlink:title="ValuationAllowancesAndReservesDomain"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ValuationAllowancesAndReservesDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ValuationAllowancesAndReservesDomain_lbl" xml:lang="en-US" id="us-gaap_ValuationAllowancesAndReservesDomain_lbl"> Valuation Allowances and Reserves [Domain] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ValuationAllowancesAndReservesDomain" xlink:to="us-gaap_ValuationAllowancesAndReservesDomain_lbl" xlink:title="label: ValuationAllowancesAndReservesDomain to us-gaap_ValuationAllowancesAndReservesDomain_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense" xlink:label="ValuationAllowancesAndReservesChargedToCostAndExpense" xlink:title="ValuationAllowancesAndReservesChargedToCostAndExpense"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense_lbl" xml:lang="en-US" id="us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense_lbl"> Additions Charged to Costs and Expense </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ValuationAllowancesAndReservesChargedToCostAndExpense" xlink:to="us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense_lbl" xlink:title="label: ValuationAllowancesAndReservesChargedToCostAndExpense to us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ValuationAllowancesAndReservesBalance" xlink:label="ValuationAllowancesAndReservesBalance" xlink:title="ValuationAllowancesAndReservesBalance"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ValuationAllowancesAndReservesBalance_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:title="us-gaap_ValuationAllowancesAndReservesBalance_lbl" xml:lang="en-US" id="us-gaap_ValuationAllowancesAndReservesBalance_lbl"> Balance at End of Year </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ValuationAllowancesAndReservesBalance" xlink:to="us-gaap_ValuationAllowancesAndReservesBalance_lbl" xlink:title="label: ValuationAllowancesAndReservesBalance to us-gaap_ValuationAllowancesAndReservesBalance_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ValuationAllowancesAndReservesBalance_lbl1" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:title="us-gaap_ValuationAllowancesAndReservesBalance_lbl1" xml:lang="en-US" id="us-gaap_ValuationAllowancesAndReservesBalance_lbl1"> Balance at Beginning of Year </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ValuationAllowancesAndReservesBalance" xlink:to="us-gaap_ValuationAllowancesAndReservesBalance_lbl1" xlink:title="label: ValuationAllowancesAndReservesBalance to us-gaap_ValuationAllowancesAndReservesBalance_lbl1"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ValuationAllowancesAndReservesBalance_lbl2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ValuationAllowancesAndReservesBalance_lbl2" xml:lang="en-US" id="us-gaap_ValuationAllowancesAndReservesBalance_lbl2"> Valuation Allowances and Reserves, Balance </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ValuationAllowancesAndReservesBalance" xlink:to="us-gaap_ValuationAllowancesAndReservesBalance_lbl2" xlink:title="label: ValuationAllowancesAndReservesBalance to us-gaap_ValuationAllowancesAndReservesBalance_lbl2"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ValuationAllowanceOfDeferredTaxAssetsMember" xlink:label="ValuationAllowanceOfDeferredTaxAssetsMember" xlink:title="ValuationAllowanceOfDeferredTaxAssetsMember"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ValuationAllowanceOfDeferredTaxAssetsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ValuationAllowanceOfDeferredTaxAssetsMember_lbl" xml:lang="en-US" id="us-gaap_ValuationAllowanceOfDeferredTaxAssetsMember_lbl"> Allowance for Deferred Tax Assets [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ValuationAllowanceOfDeferredTaxAssetsMember" xlink:to="us-gaap_ValuationAllowanceOfDeferredTaxAssetsMember_lbl" xlink:title="label: ValuationAllowanceOfDeferredTaxAssetsMember to us-gaap_ValuationAllowanceOfDeferredTaxAssetsMember_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ValuationAllowancesAndReservesDeductions" xlink:label="ValuationAllowancesAndReservesDeductions" xlink:title="ValuationAllowancesAndReservesDeductions"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ValuationAllowancesAndReservesDeductions_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ValuationAllowancesAndReservesDeductions_lbl" xml:lang="en-US" id="us-gaap_ValuationAllowancesAndReservesDeductions_lbl"> Deductions </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ValuationAllowancesAndReservesDeductions" xlink:to="us-gaap_ValuationAllowancesAndReservesDeductions_lbl" xlink:title="label: ValuationAllowancesAndReservesDeductions to us-gaap_ValuationAllowancesAndReservesDeductions_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ValuationAllowancesAndReservesChargedToOtherAccounts" xlink:label="ValuationAllowancesAndReservesChargedToOtherAccounts" xlink:title="ValuationAllowancesAndReservesChargedToOtherAccounts"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ValuationAllowancesAndReservesChargedToOtherAccounts_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ValuationAllowancesAndReservesChargedToOtherAccounts_lbl" xml:lang="en-US" id="us-gaap_ValuationAllowancesAndReservesChargedToOtherAccounts_lbl"> Additions Charged to Other Accounts </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ValuationAllowancesAndReservesChargedToOtherAccounts" xlink:to="us-gaap_ValuationAllowancesAndReservesChargedToOtherAccounts_lbl" xlink:title="label: ValuationAllowancesAndReservesChargedToOtherAccounts to us-gaap_ValuationAllowancesAndReservesChargedToOtherAccounts_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount" xlink:label="ValuationAllowanceDeferredTaxAssetChangeInAmount" xlink:title="ValuationAllowanceDeferredTaxAssetChangeInAmount"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount_lbl" xml:lang="en-US" id="us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount_lbl"> Net change in valuation allowance </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ValuationAllowanceDeferredTaxAssetChangeInAmount" xlink:to="us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount_lbl" xlink:title="label: ValuationAllowanceDeferredTaxAssetChangeInAmount to us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ValuationAndQualifyingAccountsAbstract" xlink:label="ValuationAndQualifyingAccountsAbstract" xlink:title="ValuationAndQualifyingAccountsAbstract"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ValuationAndQualifyingAccountsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ValuationAndQualifyingAccountsAbstract_lbl" xml:lang="en-US" id="us-gaap_ValuationAndQualifyingAccountsAbstract_lbl"> SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ValuationAndQualifyingAccountsAbstract" xlink:to="us-gaap_ValuationAndQualifyingAccountsAbstract_lbl" xlink:title="label: ValuationAndQualifyingAccountsAbstract to us-gaap_ValuationAndQualifyingAccountsAbstract_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ValuationAndQualifyingAccountsDisclosureLineItems" xlink:label="ValuationAndQualifyingAccountsDisclosureLineItems" xlink:title="ValuationAndQualifyingAccountsDisclosureLineItems"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ValuationAndQualifyingAccountsDisclosureLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ValuationAndQualifyingAccountsDisclosureLineItems_lbl" xml:lang="en-US" id="us-gaap_ValuationAndQualifyingAccountsDisclosureLineItems_lbl"> Valuation and Qualifying Accounts Disclosure [Line Items] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ValuationAndQualifyingAccountsDisclosureLineItems" xlink:to="us-gaap_ValuationAndQualifyingAccountsDisclosureLineItems_lbl" xlink:title="label: ValuationAndQualifyingAccountsDisclosureLineItems to us-gaap_ValuationAndQualifyingAccountsDisclosureLineItems_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ValuationAllowancesAndReservesTypeAxis" xlink:label="ValuationAllowancesAndReservesTypeAxis" xlink:title="ValuationAllowancesAndReservesTypeAxis"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ValuationAllowancesAndReservesTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ValuationAllowancesAndReservesTypeAxis_lbl" xml:lang="en-US" id="us-gaap_ValuationAllowancesAndReservesTypeAxis_lbl"> Valuation Allowances and Reserves Type [Axis] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ValuationAllowancesAndReservesTypeAxis" xlink:to="us-gaap_ValuationAllowancesAndReservesTypeAxis_lbl" xlink:title="label: ValuationAllowancesAndReservesTypeAxis to us-gaap_ValuationAllowancesAndReservesTypeAxis_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_WarrantMember" xlink:label="WarrantMember" xlink:title="WarrantMember"/>
<link:label xlink:type="resource" xlink:label="us-gaap_WarrantMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="us-gaap_WarrantMember_lbl" xml:lang="en-US" id="us-gaap_WarrantMember_lbl"> Warrants [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="WarrantMember" xlink:to="us-gaap_WarrantMember_lbl" xlink:title="label: WarrantMember to us-gaap_WarrantMember_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_WarrantMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_WarrantMember_lbl1" xml:lang="en-US" id="us-gaap_WarrantMember_lbl1"> Warrant [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="WarrantMember" xlink:to="us-gaap_WarrantMember_lbl1" xlink:title="label: WarrantMember to us-gaap_WarrantMember_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="WeightedAverageNumberOfSharesOutstandingBasic" xlink:title="WeightedAverageNumberOfSharesOutstandingBasic"/>
<link:label xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xml:lang="en-US" id="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl"> Basic weighted average shares outstanding (in shares) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="WeightedAverageNumberOfSharesOutstandingBasic" xlink:to="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xlink:title="label: WeightedAverageNumberOfSharesOutstandingBasic to us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="WeightedAverageNumberOfDilutedSharesOutstanding" xlink:title="WeightedAverageNumberOfDilutedSharesOutstanding"/>
<link:label xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" xml:lang="en-US" id="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl"> Diluted weighted average shares outstanding (in shares) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="WeightedAverageNumberOfDilutedSharesOutstanding" xlink:to="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" xlink:title="label: WeightedAverageNumberOfDilutedSharesOutstanding to us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_EmploymentAgreementsFutureCashPaymentsDueAbstract" xlink:label="EmploymentAgreementsFutureCashPaymentsDueAbstract" xlink:title="EmploymentAgreementsFutureCashPaymentsDueAbstract"/>
<link:label xlink:type="resource" xlink:label="cytr_EmploymentAgreementsFutureCashPaymentsDueAbstract_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_EmploymentAgreementsFutureCashPaymentsDueAbstract_lbl1" xml:lang="en-US" id="cytr_EmploymentAgreementsFutureCashPaymentsDueAbstract_lbl1"> Employment Agreements, Future Cash Payments Due [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EmploymentAgreementsFutureCashPaymentsDueAbstract" xlink:to="cytr_EmploymentAgreementsFutureCashPaymentsDueAbstract_lbl1" xlink:title="label: EmploymentAgreementsFutureCashPaymentsDueAbstract to cytr_EmploymentAgreementsFutureCashPaymentsDueAbstract_lbl1"/>
<link:label xlink:type="resource" xlink:label="cytr_EmploymentAgreementsFutureCashPaymentsDueAbstract_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="cytr_EmploymentAgreementsFutureCashPaymentsDueAbstract_lbl2" xml:lang="en-US" id="cytr_EmploymentAgreementsFutureCashPaymentsDueAbstract_lbl2"> Employment agreements, future cash payments [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EmploymentAgreementsFutureCashPaymentsDueAbstract" xlink:to="cytr_EmploymentAgreementsFutureCashPaymentsDueAbstract_lbl2" xlink:title="label: EmploymentAgreementsFutureCashPaymentsDueAbstract to cytr_EmploymentAgreementsFutureCashPaymentsDueAbstract_lbl2"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueAbstract" xlink:label="OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueAbstract" xlink:title="OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueAbstract"/>
<link:label xlink:type="resource" xlink:label="cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueAbstract_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueAbstract_lbl1" xml:lang="en-US" id="cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueAbstract_lbl1"> Operating Leases and Employment Agreements Future Minimum Payments Due [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueAbstract" xlink:to="cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueAbstract_lbl1" xlink:title="label: OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueAbstract to cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueAbstract_lbl1"/>
<link:label xlink:type="resource" xlink:label="cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueAbstract_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueAbstract_lbl2" xml:lang="en-US" id="cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueAbstract_lbl2"> Subtotal [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueAbstract" xlink:to="cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueAbstract_lbl2" xlink:title="label: OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueAbstract to cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueAbstract_lbl2"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_OperatingLeasesFutureCashPaymentsDueAbstract" xlink:label="OperatingLeasesFutureCashPaymentsDueAbstract" xlink:title="OperatingLeasesFutureCashPaymentsDueAbstract"/>
<link:label xlink:type="resource" xlink:label="cytr_OperatingLeasesFutureCashPaymentsDueAbstract_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_OperatingLeasesFutureCashPaymentsDueAbstract_lbl1" xml:lang="en-US" id="cytr_OperatingLeasesFutureCashPaymentsDueAbstract_lbl1"> Operating Leases, Future Cash Payments Due [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingLeasesFutureCashPaymentsDueAbstract" xlink:to="cytr_OperatingLeasesFutureCashPaymentsDueAbstract_lbl1" xlink:title="label: OperatingLeasesFutureCashPaymentsDueAbstract to cytr_OperatingLeasesFutureCashPaymentsDueAbstract_lbl1"/>
<link:label xlink:type="resource" xlink:label="cytr_OperatingLeasesFutureCashPaymentsDueAbstract_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="cytr_OperatingLeasesFutureCashPaymentsDueAbstract_lbl2" xml:lang="en-US" id="cytr_OperatingLeasesFutureCashPaymentsDueAbstract_lbl2"> Operating leases, future cash payments [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingLeasesFutureCashPaymentsDueAbstract" xlink:to="cytr_OperatingLeasesFutureCashPaymentsDueAbstract_lbl2" xlink:title="label: OperatingLeasesFutureCashPaymentsDueAbstract to cytr_OperatingLeasesFutureCashPaymentsDueAbstract_lbl2"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInFourYears" xlink:label="OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInFourYears" xlink:title="OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInFourYears"/>
<link:label xlink:type="resource" xlink:label="cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInFourYears_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInFourYears_lbl" xml:lang="en-US" id="cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInFourYears_lbl"> Amount of required minimum rental payments and employment agreements maturing in the fourth fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInFourYears" xlink:to="cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInFourYears_lbl" xlink:title="label: OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInFourYears to cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInFourYears_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInFourYears_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInFourYears_lbl1" xml:lang="en-US" id="cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInFourYears_lbl1"> Operating Leases And Employment Agreements Future Minimum Payments Due In Four Years </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInFourYears" xlink:to="cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInFourYears_lbl1" xlink:title="label: OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInFourYears to cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInFourYears_lbl1"/>
<link:label xlink:type="resource" xlink:label="cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInFourYears_lbl2" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInFourYears_lbl2" xml:lang="en-US" id="cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInFourYears_lbl2"> 2017 </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInFourYears" xlink:to="cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInFourYears_lbl2" xlink:title="label: OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInFourYears to cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInFourYears_lbl2"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_SubTotalsFutureCashPaymentsDueAbstract" xlink:label="SubTotalsFutureCashPaymentsDueAbstract" xlink:title="SubTotalsFutureCashPaymentsDueAbstract"/>
<link:label xlink:type="resource" xlink:label="cytr_SubTotalsFutureCashPaymentsDueAbstract_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_SubTotalsFutureCashPaymentsDueAbstract_lbl1" xml:lang="en-US" id="cytr_SubTotalsFutureCashPaymentsDueAbstract_lbl1"> Sub Totals, Future Cash Payments Due [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SubTotalsFutureCashPaymentsDueAbstract" xlink:to="cytr_SubTotalsFutureCashPaymentsDueAbstract_lbl1" xlink:title="label: SubTotalsFutureCashPaymentsDueAbstract to cytr_SubTotalsFutureCashPaymentsDueAbstract_lbl1"/>
<link:label xlink:type="resource" xlink:label="cytr_SubTotalsFutureCashPaymentsDueAbstract_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="cytr_SubTotalsFutureCashPaymentsDueAbstract_lbl2" xml:lang="en-US" id="cytr_SubTotalsFutureCashPaymentsDueAbstract_lbl2"> Subtotal, future cash payments due [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SubTotalsFutureCashPaymentsDueAbstract" xlink:to="cytr_SubTotalsFutureCashPaymentsDueAbstract_lbl2" xlink:title="label: SubTotalsFutureCashPaymentsDueAbstract to cytr_SubTotalsFutureCashPaymentsDueAbstract_lbl2"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueCurrent" xlink:label="OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueCurrent" xlink:title="OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueCurrent"/>
<link:label xlink:type="resource" xlink:label="cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueCurrent_lbl" xml:lang="en-US" id="cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueCurrent_lbl"> Amount of required minimum rental payments and employment agreements maturing in the next fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueCurrent" xlink:to="cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueCurrent_lbl" xlink:title="label: OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueCurrent to cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueCurrent_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueCurrent_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueCurrent_lbl1" xml:lang="en-US" id="cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueCurrent_lbl1"> Operating Leases and Employment Agreements Future Minimum Payments Due Current </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueCurrent" xlink:to="cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueCurrent_lbl1" xlink:title="label: OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueCurrent to cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueCurrent_lbl1"/>
<link:label xlink:type="resource" xlink:label="cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueCurrent_lbl2" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueCurrent_lbl2" xml:lang="en-US" id="cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueCurrent_lbl2"> 2014 </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueCurrent" xlink:to="cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueCurrent_lbl2" xlink:title="label: OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueCurrent to cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueCurrent_lbl2"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInThreeYears" xlink:label="OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInThreeYears" xlink:title="OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInThreeYears"/>
<link:label xlink:type="resource" xlink:label="cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInThreeYears_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInThreeYears_lbl" xml:lang="en-US" id="cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInThreeYears_lbl"> Amount of required minimum rental payments and employment agreements maturing in the third fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInThreeYears" xlink:to="cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInThreeYears_lbl" xlink:title="label: OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInThreeYears to cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInThreeYears_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInThreeYears_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInThreeYears_lbl1" xml:lang="en-US" id="cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInThreeYears_lbl1"> Operating Leases and Employment Agreements Future Minimum Payments Due In Three Years </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInThreeYears" xlink:to="cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInThreeYears_lbl1" xlink:title="label: OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInThreeYears to cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInThreeYears_lbl1"/>
<link:label xlink:type="resource" xlink:label="cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInThreeYears_lbl2" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInThreeYears_lbl2" xml:lang="en-US" id="cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInThreeYears_lbl2"> 2016 </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInThreeYears" xlink:to="cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInThreeYears_lbl2" xlink:title="label: OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInThreeYears to cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInThreeYears_lbl2"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDue" xlink:label="OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDue" xlink:title="OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDue"/>
<link:label xlink:type="resource" xlink:label="cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDue_lbl" xml:lang="en-US" id="cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDue_lbl"> Amount of required minimum rental payments for leases and employment agreements having an initial or remaining non-cancelable letter-terms in excess of one year. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDue" xlink:to="cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDue_lbl" xlink:title="label: OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDue to cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDue_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDue_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDue_lbl1" xml:lang="en-US" id="cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDue_lbl1"> Operating Leases and Employment Agreements Future Minimum Payments Due </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDue" xlink:to="cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDue_lbl1" xlink:title="label: OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDue to cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDue_lbl1"/>
<link:label xlink:type="resource" xlink:label="cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDue_lbl2" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDue_lbl2" xml:lang="en-US" id="cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDue_lbl2"> Total </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDue" xlink:to="cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDue_lbl2" xlink:title="label: OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDue to cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDue_lbl2"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInTwoYears" xlink:label="OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInTwoYears" xlink:title="OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInTwoYears"/>
<link:label xlink:type="resource" xlink:label="cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInTwoYears_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInTwoYears_lbl" xml:lang="en-US" id="cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInTwoYears_lbl"> Amount of required minimum rental payments and employment agreements maturing in the second fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInTwoYears" xlink:to="cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInTwoYears_lbl" xlink:title="label: OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInTwoYears to cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInTwoYears_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInTwoYears_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInTwoYears_lbl1" xml:lang="en-US" id="cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInTwoYears_lbl1"> Operating Leases and Employment Agreements Future Minimum Payments Due In Two Years </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInTwoYears" xlink:to="cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInTwoYears_lbl1" xlink:title="label: OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInTwoYears to cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInTwoYears_lbl1"/>
<link:label xlink:type="resource" xlink:label="cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInTwoYears_lbl2" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInTwoYears_lbl2" xml:lang="en-US" id="cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInTwoYears_lbl2"> 2015 </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInTwoYears" xlink:to="cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInTwoYears_lbl2" xlink:title="label: OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInTwoYears to cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInTwoYears_lbl2"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_ResearchAndDevelopmentFutureCashPaymentsDueAbstract" xlink:label="ResearchAndDevelopmentFutureCashPaymentsDueAbstract" xlink:title="ResearchAndDevelopmentFutureCashPaymentsDueAbstract"/>
<link:label xlink:type="resource" xlink:label="cytr_ResearchAndDevelopmentFutureCashPaymentsDueAbstract_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_ResearchAndDevelopmentFutureCashPaymentsDueAbstract_lbl1" xml:lang="en-US" id="cytr_ResearchAndDevelopmentFutureCashPaymentsDueAbstract_lbl1"> Research and Development, Future Cash Payments Due [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ResearchAndDevelopmentFutureCashPaymentsDueAbstract" xlink:to="cytr_ResearchAndDevelopmentFutureCashPaymentsDueAbstract_lbl1" xlink:title="label: ResearchAndDevelopmentFutureCashPaymentsDueAbstract to cytr_ResearchAndDevelopmentFutureCashPaymentsDueAbstract_lbl1"/>
<link:label xlink:type="resource" xlink:label="cytr_ResearchAndDevelopmentFutureCashPaymentsDueAbstract_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="cytr_ResearchAndDevelopmentFutureCashPaymentsDueAbstract_lbl2" xml:lang="en-US" id="cytr_ResearchAndDevelopmentFutureCashPaymentsDueAbstract_lbl2"> Research and development, future cash payments due [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ResearchAndDevelopmentFutureCashPaymentsDueAbstract" xlink:to="cytr_ResearchAndDevelopmentFutureCashPaymentsDueAbstract_lbl2" xlink:title="label: ResearchAndDevelopmentFutureCashPaymentsDueAbstract to cytr_ResearchAndDevelopmentFutureCashPaymentsDueAbstract_lbl2"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_ResearchAndDevelopmentFutureMinimumPaymentsDue" xlink:label="ResearchAndDevelopmentFutureMinimumPaymentsDue" xlink:title="ResearchAndDevelopmentFutureMinimumPaymentsDue"/>
<link:label xlink:type="resource" xlink:label="cytr_ResearchAndDevelopmentFutureMinimumPaymentsDue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_ResearchAndDevelopmentFutureMinimumPaymentsDue_lbl" xml:lang="en-US" id="cytr_ResearchAndDevelopmentFutureMinimumPaymentsDue_lbl"> Amount of required minimum research and development payments. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ResearchAndDevelopmentFutureMinimumPaymentsDue" xlink:to="cytr_ResearchAndDevelopmentFutureMinimumPaymentsDue_lbl" xlink:title="label: ResearchAndDevelopmentFutureMinimumPaymentsDue to cytr_ResearchAndDevelopmentFutureMinimumPaymentsDue_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_ResearchAndDevelopmentFutureMinimumPaymentsDue_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_ResearchAndDevelopmentFutureMinimumPaymentsDue_lbl1" xml:lang="en-US" id="cytr_ResearchAndDevelopmentFutureMinimumPaymentsDue_lbl1"> Research And Development Future Minimum Payments Due </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ResearchAndDevelopmentFutureMinimumPaymentsDue" xlink:to="cytr_ResearchAndDevelopmentFutureMinimumPaymentsDue_lbl1" xlink:title="label: ResearchAndDevelopmentFutureMinimumPaymentsDue to cytr_ResearchAndDevelopmentFutureMinimumPaymentsDue_lbl1"/>
<link:label xlink:type="resource" xlink:label="cytr_ResearchAndDevelopmentFutureMinimumPaymentsDue_lbl2" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="cytr_ResearchAndDevelopmentFutureMinimumPaymentsDue_lbl2" xml:lang="en-US" id="cytr_ResearchAndDevelopmentFutureMinimumPaymentsDue_lbl2"> Total </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ResearchAndDevelopmentFutureMinimumPaymentsDue" xlink:to="cytr_ResearchAndDevelopmentFutureMinimumPaymentsDue_lbl2" xlink:title="label: ResearchAndDevelopmentFutureMinimumPaymentsDue to cytr_ResearchAndDevelopmentFutureMinimumPaymentsDue_lbl2"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_ResearchAndDevelopmentFutureMinimumPaymentsDueInThreeYears" xlink:label="ResearchAndDevelopmentFutureMinimumPaymentsDueInThreeYears" xlink:title="ResearchAndDevelopmentFutureMinimumPaymentsDueInThreeYears"/>
<link:label xlink:type="resource" xlink:label="cytr_ResearchAndDevelopmentFutureMinimumPaymentsDueInThreeYears_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_ResearchAndDevelopmentFutureMinimumPaymentsDueInThreeYears_lbl" xml:lang="en-US" id="cytr_ResearchAndDevelopmentFutureMinimumPaymentsDueInThreeYears_lbl"> Amount of required minimum research and development payments in the third fiscal year following the latest fiscal year. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ResearchAndDevelopmentFutureMinimumPaymentsDueInThreeYears" xlink:to="cytr_ResearchAndDevelopmentFutureMinimumPaymentsDueInThreeYears_lbl" xlink:title="label: ResearchAndDevelopmentFutureMinimumPaymentsDueInThreeYears to cytr_ResearchAndDevelopmentFutureMinimumPaymentsDueInThreeYears_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_ResearchAndDevelopmentFutureMinimumPaymentsDueInThreeYears_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_ResearchAndDevelopmentFutureMinimumPaymentsDueInThreeYears_lbl1" xml:lang="en-US" id="cytr_ResearchAndDevelopmentFutureMinimumPaymentsDueInThreeYears_lbl1"> Research and Development Future Minimum Payments Due In Three Years </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ResearchAndDevelopmentFutureMinimumPaymentsDueInThreeYears" xlink:to="cytr_ResearchAndDevelopmentFutureMinimumPaymentsDueInThreeYears_lbl1" xlink:title="label: ResearchAndDevelopmentFutureMinimumPaymentsDueInThreeYears to cytr_ResearchAndDevelopmentFutureMinimumPaymentsDueInThreeYears_lbl1"/>
<link:label xlink:type="resource" xlink:label="cytr_ResearchAndDevelopmentFutureMinimumPaymentsDueInThreeYears_lbl2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="cytr_ResearchAndDevelopmentFutureMinimumPaymentsDueInThreeYears_lbl2" xml:lang="en-US" id="cytr_ResearchAndDevelopmentFutureMinimumPaymentsDueInThreeYears_lbl2"> 2016 </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ResearchAndDevelopmentFutureMinimumPaymentsDueInThreeYears" xlink:to="cytr_ResearchAndDevelopmentFutureMinimumPaymentsDueInThreeYears_lbl2" xlink:title="label: ResearchAndDevelopmentFutureMinimumPaymentsDueInThreeYears to cytr_ResearchAndDevelopmentFutureMinimumPaymentsDueInThreeYears_lbl2"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_ResearchAndDevelopmentFutureMinimumPaymentsDueCurrent" xlink:label="ResearchAndDevelopmentFutureMinimumPaymentsDueCurrent" xlink:title="ResearchAndDevelopmentFutureMinimumPaymentsDueCurrent"/>
<link:label xlink:type="resource" xlink:label="cytr_ResearchAndDevelopmentFutureMinimumPaymentsDueCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_ResearchAndDevelopmentFutureMinimumPaymentsDueCurrent_lbl" xml:lang="en-US" id="cytr_ResearchAndDevelopmentFutureMinimumPaymentsDueCurrent_lbl"> Amount of required minimum research and development payments in the next fiscal year following the latest fiscal year. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ResearchAndDevelopmentFutureMinimumPaymentsDueCurrent" xlink:to="cytr_ResearchAndDevelopmentFutureMinimumPaymentsDueCurrent_lbl" xlink:title="label: ResearchAndDevelopmentFutureMinimumPaymentsDueCurrent to cytr_ResearchAndDevelopmentFutureMinimumPaymentsDueCurrent_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_ResearchAndDevelopmentFutureMinimumPaymentsDueCurrent_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_ResearchAndDevelopmentFutureMinimumPaymentsDueCurrent_lbl1" xml:lang="en-US" id="cytr_ResearchAndDevelopmentFutureMinimumPaymentsDueCurrent_lbl1"> Research and Development Future Minimum Payments Due Current </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ResearchAndDevelopmentFutureMinimumPaymentsDueCurrent" xlink:to="cytr_ResearchAndDevelopmentFutureMinimumPaymentsDueCurrent_lbl1" xlink:title="label: ResearchAndDevelopmentFutureMinimumPaymentsDueCurrent to cytr_ResearchAndDevelopmentFutureMinimumPaymentsDueCurrent_lbl1"/>
<link:label xlink:type="resource" xlink:label="cytr_ResearchAndDevelopmentFutureMinimumPaymentsDueCurrent_lbl2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="cytr_ResearchAndDevelopmentFutureMinimumPaymentsDueCurrent_lbl2" xml:lang="en-US" id="cytr_ResearchAndDevelopmentFutureMinimumPaymentsDueCurrent_lbl2"> 2014 </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ResearchAndDevelopmentFutureMinimumPaymentsDueCurrent" xlink:to="cytr_ResearchAndDevelopmentFutureMinimumPaymentsDueCurrent_lbl2" xlink:title="label: ResearchAndDevelopmentFutureMinimumPaymentsDueCurrent to cytr_ResearchAndDevelopmentFutureMinimumPaymentsDueCurrent_lbl2"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_CommitmentAndContingenciesFutureMinimumPaymentsDueAbstract" xlink:label="CommitmentAndContingenciesFutureMinimumPaymentsDueAbstract" xlink:title="CommitmentAndContingenciesFutureMinimumPaymentsDueAbstract"/>
<link:label xlink:type="resource" xlink:label="cytr_CommitmentAndContingenciesFutureMinimumPaymentsDueAbstract_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_CommitmentAndContingenciesFutureMinimumPaymentsDueAbstract_lbl1" xml:lang="en-US" id="cytr_CommitmentAndContingenciesFutureMinimumPaymentsDueAbstract_lbl1"> Commitment and Contingencies, Future Minimum Payments Due [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CommitmentAndContingenciesFutureMinimumPaymentsDueAbstract" xlink:to="cytr_CommitmentAndContingenciesFutureMinimumPaymentsDueAbstract_lbl1" xlink:title="label: CommitmentAndContingenciesFutureMinimumPaymentsDueAbstract to cytr_CommitmentAndContingenciesFutureMinimumPaymentsDueAbstract_lbl1"/>
<link:label xlink:type="resource" xlink:label="cytr_CommitmentAndContingenciesFutureMinimumPaymentsDueAbstract_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="cytr_CommitmentAndContingenciesFutureMinimumPaymentsDueAbstract_lbl2" xml:lang="en-US" id="cytr_CommitmentAndContingenciesFutureMinimumPaymentsDueAbstract_lbl2"> Total, future minimum payments due [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CommitmentAndContingenciesFutureMinimumPaymentsDueAbstract" xlink:to="cytr_CommitmentAndContingenciesFutureMinimumPaymentsDueAbstract_lbl2" xlink:title="label: CommitmentAndContingenciesFutureMinimumPaymentsDueAbstract to cytr_CommitmentAndContingenciesFutureMinimumPaymentsDueAbstract_lbl2"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_ResearchAndDevelopmentFutureMinimumPaymentsDueInTwoYears" xlink:label="ResearchAndDevelopmentFutureMinimumPaymentsDueInTwoYears" xlink:title="ResearchAndDevelopmentFutureMinimumPaymentsDueInTwoYears"/>
<link:label xlink:type="resource" xlink:label="cytr_ResearchAndDevelopmentFutureMinimumPaymentsDueInTwoYears_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_ResearchAndDevelopmentFutureMinimumPaymentsDueInTwoYears_lbl" xml:lang="en-US" id="cytr_ResearchAndDevelopmentFutureMinimumPaymentsDueInTwoYears_lbl"> Amount of required minimum research and development payments in the second fiscal year following the latest fiscal year. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ResearchAndDevelopmentFutureMinimumPaymentsDueInTwoYears" xlink:to="cytr_ResearchAndDevelopmentFutureMinimumPaymentsDueInTwoYears_lbl" xlink:title="label: ResearchAndDevelopmentFutureMinimumPaymentsDueInTwoYears to cytr_ResearchAndDevelopmentFutureMinimumPaymentsDueInTwoYears_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_ResearchAndDevelopmentFutureMinimumPaymentsDueInTwoYears_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_ResearchAndDevelopmentFutureMinimumPaymentsDueInTwoYears_lbl1" xml:lang="en-US" id="cytr_ResearchAndDevelopmentFutureMinimumPaymentsDueInTwoYears_lbl1"> Research and Development Future Minimum Payments Due In Two Years </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ResearchAndDevelopmentFutureMinimumPaymentsDueInTwoYears" xlink:to="cytr_ResearchAndDevelopmentFutureMinimumPaymentsDueInTwoYears_lbl1" xlink:title="label: ResearchAndDevelopmentFutureMinimumPaymentsDueInTwoYears to cytr_ResearchAndDevelopmentFutureMinimumPaymentsDueInTwoYears_lbl1"/>
<link:label xlink:type="resource" xlink:label="cytr_ResearchAndDevelopmentFutureMinimumPaymentsDueInTwoYears_lbl2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="cytr_ResearchAndDevelopmentFutureMinimumPaymentsDueInTwoYears_lbl2" xml:lang="en-US" id="cytr_ResearchAndDevelopmentFutureMinimumPaymentsDueInTwoYears_lbl2"> 2015 </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ResearchAndDevelopmentFutureMinimumPaymentsDueInTwoYears" xlink:to="cytr_ResearchAndDevelopmentFutureMinimumPaymentsDueInTwoYears_lbl2" xlink:title="label: ResearchAndDevelopmentFutureMinimumPaymentsDueInTwoYears to cytr_ResearchAndDevelopmentFutureMinimumPaymentsDueInTwoYears_lbl2"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInFiveYears" xlink:label="OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInFiveYears" xlink:title="OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInFiveYears"/>
<link:label xlink:type="resource" xlink:label="cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInFiveYears_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInFiveYears_lbl" xml:lang="en-US" id="cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInFiveYears_lbl"> Amount of required minimum rental payments and employment agreements maturing in the fifth fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInFiveYears" xlink:to="cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInFiveYears_lbl" xlink:title="label: OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInFiveYears to cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInFiveYears_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInFiveYears_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInFiveYears_lbl1" xml:lang="en-US" id="cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInFiveYears_lbl1"> Operating Leases And Employment Agreements Future Minimum Payments Due In Five Years </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInFiveYears" xlink:to="cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInFiveYears_lbl1" xlink:title="label: OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInFiveYears to cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInFiveYears_lbl1"/>
<link:label xlink:type="resource" xlink:label="cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInFiveYears_lbl2" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInFiveYears_lbl2" xml:lang="en-US" id="cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInFiveYears_lbl2"> 2018 and thereafter </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInFiveYears" xlink:to="cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInFiveYears_lbl2" xlink:title="label: OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInFiveYears to cytr_OperatingLeasesAndEmploymentAgreementsFutureMinimumPaymentsDueInFiveYears_lbl2"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_ResearchAndDevelopmentFutureMinimumPaymentsDueInFourYears" xlink:label="ResearchAndDevelopmentFutureMinimumPaymentsDueInFourYears" xlink:title="ResearchAndDevelopmentFutureMinimumPaymentsDueInFourYears"/>
<link:label xlink:type="resource" xlink:label="cytr_ResearchAndDevelopmentFutureMinimumPaymentsDueInFourYears_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_ResearchAndDevelopmentFutureMinimumPaymentsDueInFourYears_lbl" xml:lang="en-US" id="cytr_ResearchAndDevelopmentFutureMinimumPaymentsDueInFourYears_lbl"> Amount of required minimum research and development payments in the fourth fiscal year following the latest fiscal year. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ResearchAndDevelopmentFutureMinimumPaymentsDueInFourYears" xlink:to="cytr_ResearchAndDevelopmentFutureMinimumPaymentsDueInFourYears_lbl" xlink:title="label: ResearchAndDevelopmentFutureMinimumPaymentsDueInFourYears to cytr_ResearchAndDevelopmentFutureMinimumPaymentsDueInFourYears_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_ResearchAndDevelopmentFutureMinimumPaymentsDueInFourYears_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_ResearchAndDevelopmentFutureMinimumPaymentsDueInFourYears_lbl1" xml:lang="en-US" id="cytr_ResearchAndDevelopmentFutureMinimumPaymentsDueInFourYears_lbl1"> Research And Development Future Minimum Payments Due In Four Years </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ResearchAndDevelopmentFutureMinimumPaymentsDueInFourYears" xlink:to="cytr_ResearchAndDevelopmentFutureMinimumPaymentsDueInFourYears_lbl1" xlink:title="label: ResearchAndDevelopmentFutureMinimumPaymentsDueInFourYears to cytr_ResearchAndDevelopmentFutureMinimumPaymentsDueInFourYears_lbl1"/>
<link:label xlink:type="resource" xlink:label="cytr_ResearchAndDevelopmentFutureMinimumPaymentsDueInFourYears_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="cytr_ResearchAndDevelopmentFutureMinimumPaymentsDueInFourYears_lbl2" xml:lang="en-US" id="cytr_ResearchAndDevelopmentFutureMinimumPaymentsDueInFourYears_lbl2"> 2017 </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ResearchAndDevelopmentFutureMinimumPaymentsDueInFourYears" xlink:to="cytr_ResearchAndDevelopmentFutureMinimumPaymentsDueInFourYears_lbl2" xlink:title="label: ResearchAndDevelopmentFutureMinimumPaymentsDueInFourYears to cytr_ResearchAndDevelopmentFutureMinimumPaymentsDueInFourYears_lbl2"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_ResearchAndDevelopmentFutureMinimumPaymentsDueInFiveYears" xlink:label="ResearchAndDevelopmentFutureMinimumPaymentsDueInFiveYears" xlink:title="ResearchAndDevelopmentFutureMinimumPaymentsDueInFiveYears"/>
<link:label xlink:type="resource" xlink:label="cytr_ResearchAndDevelopmentFutureMinimumPaymentsDueInFiveYears_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_ResearchAndDevelopmentFutureMinimumPaymentsDueInFiveYears_lbl" xml:lang="en-US" id="cytr_ResearchAndDevelopmentFutureMinimumPaymentsDueInFiveYears_lbl"> Amount of required minimum research and development payments in the fifth fiscal year following the latest fiscal year. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ResearchAndDevelopmentFutureMinimumPaymentsDueInFiveYears" xlink:to="cytr_ResearchAndDevelopmentFutureMinimumPaymentsDueInFiveYears_lbl" xlink:title="label: ResearchAndDevelopmentFutureMinimumPaymentsDueInFiveYears to cytr_ResearchAndDevelopmentFutureMinimumPaymentsDueInFiveYears_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_ResearchAndDevelopmentFutureMinimumPaymentsDueInFiveYears_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_ResearchAndDevelopmentFutureMinimumPaymentsDueInFiveYears_lbl1" xml:lang="en-US" id="cytr_ResearchAndDevelopmentFutureMinimumPaymentsDueInFiveYears_lbl1"> Research And Development Future Minimum Payments Due In Five Years </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ResearchAndDevelopmentFutureMinimumPaymentsDueInFiveYears" xlink:to="cytr_ResearchAndDevelopmentFutureMinimumPaymentsDueInFiveYears_lbl1" xlink:title="label: ResearchAndDevelopmentFutureMinimumPaymentsDueInFiveYears to cytr_ResearchAndDevelopmentFutureMinimumPaymentsDueInFiveYears_lbl1"/>
<link:label xlink:type="resource" xlink:label="cytr_ResearchAndDevelopmentFutureMinimumPaymentsDueInFiveYears_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="cytr_ResearchAndDevelopmentFutureMinimumPaymentsDueInFiveYears_lbl2" xml:lang="en-US" id="cytr_ResearchAndDevelopmentFutureMinimumPaymentsDueInFiveYears_lbl2"> 2018 and thereafter </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ResearchAndDevelopmentFutureMinimumPaymentsDueInFiveYears" xlink:to="cytr_ResearchAndDevelopmentFutureMinimumPaymentsDueInFiveYears_lbl2" xlink:title="label: ResearchAndDevelopmentFutureMinimumPaymentsDueInFiveYears to cytr_ResearchAndDevelopmentFutureMinimumPaymentsDueInFiveYears_lbl2"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_WarrantsIssuedInConnectionWithFinancing" xlink:label="WarrantsIssuedInConnectionWithFinancing" xlink:title="WarrantsIssuedInConnectionWithFinancing"/>
<link:label xlink:type="resource" xlink:label="cytr_WarrantsIssuedInConnectionWithFinancing_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_WarrantsIssuedInConnectionWithFinancing_lbl" xml:lang="en-US" id="cytr_WarrantsIssuedInConnectionWithFinancing_lbl"> The value of warrants issued as noncash or part noncash consideration for a business or asset acquired. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="WarrantsIssuedInConnectionWithFinancing" xlink:to="cytr_WarrantsIssuedInConnectionWithFinancing_lbl" xlink:title="label: WarrantsIssuedInConnectionWithFinancing to cytr_WarrantsIssuedInConnectionWithFinancing_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_WarrantsIssuedInConnectionWithFinancing_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_WarrantsIssuedInConnectionWithFinancing_lbl1" xml:lang="en-US" id="cytr_WarrantsIssuedInConnectionWithFinancing_lbl1"> Warrants issued in connection with financing </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="WarrantsIssuedInConnectionWithFinancing" xlink:to="cytr_WarrantsIssuedInConnectionWithFinancing_lbl1" xlink:title="label: WarrantsIssuedInConnectionWithFinancing to cytr_WarrantsIssuedInConnectionWithFinancing_lbl1"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_RepurchaseOfCommonStockPortionNotDisbursed" xlink:label="RepurchaseOfCommonStockPortionNotDisbursed" xlink:title="RepurchaseOfCommonStockPortionNotDisbursed"/>
<link:label xlink:type="resource" xlink:label="cytr_RepurchaseOfCommonStockPortionNotDisbursed_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_RepurchaseOfCommonStockPortionNotDisbursed_lbl" xml:lang="en-US" id="cytr_RepurchaseOfCommonStockPortionNotDisbursed_lbl"> Repurchase of common stock for treasury (portion not disbursed) during the period. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RepurchaseOfCommonStockPortionNotDisbursed" xlink:to="cytr_RepurchaseOfCommonStockPortionNotDisbursed_lbl" xlink:title="label: RepurchaseOfCommonStockPortionNotDisbursed to cytr_RepurchaseOfCommonStockPortionNotDisbursed_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_RepurchaseOfCommonStockPortionNotDisbursed_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_RepurchaseOfCommonStockPortionNotDisbursed_lbl1" xml:lang="en-US" id="cytr_RepurchaseOfCommonStockPortionNotDisbursed_lbl1"> Repurchase of Common Stock Portion Not Disbursed </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RepurchaseOfCommonStockPortionNotDisbursed" xlink:to="cytr_RepurchaseOfCommonStockPortionNotDisbursed_lbl1" xlink:title="label: RepurchaseOfCommonStockPortionNotDisbursed to cytr_RepurchaseOfCommonStockPortionNotDisbursed_lbl1"/>
<link:label xlink:type="resource" xlink:label="cytr_RepurchaseOfCommonStockPortionNotDisbursed_lbl2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="cytr_RepurchaseOfCommonStockPortionNotDisbursed_lbl2" xml:lang="en-US" id="cytr_RepurchaseOfCommonStockPortionNotDisbursed_lbl2"> Repurchase of Company's own stock for treasury </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RepurchaseOfCommonStockPortionNotDisbursed" xlink:to="cytr_RepurchaseOfCommonStockPortionNotDisbursed_lbl2" xlink:title="label: RepurchaseOfCommonStockPortionNotDisbursed to cytr_RepurchaseOfCommonStockPortionNotDisbursed_lbl2"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_WarrantLiabilitiesAbstract" xlink:label="WarrantLiabilitiesAbstract" xlink:title="WarrantLiabilitiesAbstract"/>
<link:label xlink:type="resource" xlink:label="cytr_WarrantLiabilitiesAbstract_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_WarrantLiabilitiesAbstract_lbl1" xml:lang="en-US" id="cytr_WarrantLiabilitiesAbstract_lbl1"> Warrant Liabilities [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="WarrantLiabilitiesAbstract" xlink:to="cytr_WarrantLiabilitiesAbstract_lbl1" xlink:title="label: WarrantLiabilitiesAbstract to cytr_WarrantLiabilitiesAbstract_lbl1"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_WarrantLiabilitiesTextBlock" xlink:label="WarrantLiabilitiesTextBlock" xlink:title="WarrantLiabilitiesTextBlock"/>
<link:label xlink:type="resource" xlink:label="cytr_WarrantLiabilitiesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_WarrantLiabilitiesTextBlock_lbl" xml:lang="en-US" id="cytr_WarrantLiabilitiesTextBlock_lbl"> The entire disclosure of warrants or rights issued, specifically related to equity financing, and the accounting treatment of gain or loss prior to final settlement. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="WarrantLiabilitiesTextBlock" xlink:to="cytr_WarrantLiabilitiesTextBlock_lbl" xlink:title="label: WarrantLiabilitiesTextBlock to cytr_WarrantLiabilitiesTextBlock_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_WarrantLiabilitiesTextBlock_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_WarrantLiabilitiesTextBlock_lbl1" xml:lang="en-US" id="cytr_WarrantLiabilitiesTextBlock_lbl1"> Warrant Liabilities [Text Block] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="WarrantLiabilitiesTextBlock" xlink:to="cytr_WarrantLiabilitiesTextBlock_lbl1" xlink:title="label: WarrantLiabilitiesTextBlock to cytr_WarrantLiabilitiesTextBlock_lbl1"/>
<link:label xlink:type="resource" xlink:label="cytr_WarrantLiabilitiesTextBlock_lbl2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="cytr_WarrantLiabilitiesTextBlock_lbl2" xml:lang="en-US" id="cytr_WarrantLiabilitiesTextBlock_lbl2"> Warrant Liabilities </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="WarrantLiabilitiesTextBlock" xlink:to="cytr_WarrantLiabilitiesTextBlock_lbl2" xlink:title="label: WarrantLiabilitiesTextBlock to cytr_WarrantLiabilitiesTextBlock_lbl2"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_ChangesInCarryingAmountsOfWarrantLiabilitiesTableTextBlock" xlink:label="ChangesInCarryingAmountsOfWarrantLiabilitiesTableTextBlock" xlink:title="ChangesInCarryingAmountsOfWarrantLiabilitiesTableTextBlock"/>
<link:label xlink:type="resource" xlink:label="cytr_ChangesInCarryingAmountsOfWarrantLiabilitiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_ChangesInCarryingAmountsOfWarrantLiabilitiesTableTextBlock_lbl" xml:lang="en-US" id="cytr_ChangesInCarryingAmountsOfWarrantLiabilitiesTableTextBlock_lbl"> A tabular disclosure of warrant liability and the activity during the period. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ChangesInCarryingAmountsOfWarrantLiabilitiesTableTextBlock" xlink:to="cytr_ChangesInCarryingAmountsOfWarrantLiabilitiesTableTextBlock_lbl" xlink:title="label: ChangesInCarryingAmountsOfWarrantLiabilitiesTableTextBlock to cytr_ChangesInCarryingAmountsOfWarrantLiabilitiesTableTextBlock_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_ChangesInCarryingAmountsOfWarrantLiabilitiesTableTextBlock_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_ChangesInCarryingAmountsOfWarrantLiabilitiesTableTextBlock_lbl1" xml:lang="en-US" id="cytr_ChangesInCarryingAmountsOfWarrantLiabilitiesTableTextBlock_lbl1"> Changes in the carrying amounts of warrant liabilities [Table Text Block] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ChangesInCarryingAmountsOfWarrantLiabilitiesTableTextBlock" xlink:to="cytr_ChangesInCarryingAmountsOfWarrantLiabilitiesTableTextBlock_lbl1" xlink:title="label: ChangesInCarryingAmountsOfWarrantLiabilitiesTableTextBlock to cytr_ChangesInCarryingAmountsOfWarrantLiabilitiesTableTextBlock_lbl1"/>
<link:label xlink:type="resource" xlink:label="cytr_ChangesInCarryingAmountsOfWarrantLiabilitiesTableTextBlock_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="cytr_ChangesInCarryingAmountsOfWarrantLiabilitiesTableTextBlock_lbl2" xml:lang="en-US" id="cytr_ChangesInCarryingAmountsOfWarrantLiabilitiesTableTextBlock_lbl2"> Changes in Carrying Amounts of Warrant Liabilities </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ChangesInCarryingAmountsOfWarrantLiabilitiesTableTextBlock" xlink:to="cytr_ChangesInCarryingAmountsOfWarrantLiabilitiesTableTextBlock_lbl2" xlink:title="label: ChangesInCarryingAmountsOfWarrantLiabilitiesTableTextBlock to cytr_ChangesInCarryingAmountsOfWarrantLiabilitiesTableTextBlock_lbl2"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_OtherIncomePolicyTextBlock" xlink:label="OtherIncomePolicyTextBlock" xlink:title="OtherIncomePolicyTextBlock"/>
<link:label xlink:type="resource" xlink:label="cytr_OtherIncomePolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_OtherIncomePolicyTextBlock_lbl" xml:lang="en-US" id="cytr_OtherIncomePolicyTextBlock_lbl"> Disclosure of accounting policy for other income. It reflects the sum of all other revenue and income recognized by the entity in the period not otherwise specified in the income statement. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherIncomePolicyTextBlock" xlink:to="cytr_OtherIncomePolicyTextBlock_lbl" xlink:title="label: OtherIncomePolicyTextBlock to cytr_OtherIncomePolicyTextBlock_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_OtherIncomePolicyTextBlock_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_OtherIncomePolicyTextBlock_lbl1" xml:lang="en-US" id="cytr_OtherIncomePolicyTextBlock_lbl1"> Other Income [Policy Text Block] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherIncomePolicyTextBlock" xlink:to="cytr_OtherIncomePolicyTextBlock_lbl1" xlink:title="label: OtherIncomePolicyTextBlock to cytr_OtherIncomePolicyTextBlock_lbl1"/>
<link:label xlink:type="resource" xlink:label="cytr_OtherIncomePolicyTextBlock_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="cytr_OtherIncomePolicyTextBlock_lbl2" xml:lang="en-US" id="cytr_OtherIncomePolicyTextBlock_lbl2"> Other Income </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherIncomePolicyTextBlock" xlink:to="cytr_OtherIncomePolicyTextBlock_lbl2" xlink:title="label: OtherIncomePolicyTextBlock to cytr_OtherIncomePolicyTextBlock_lbl2"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_BasisOfPresentationAndPrinciplesOfConsolidationPolicyTextBlock" xlink:label="BasisOfPresentationAndPrinciplesOfConsolidationPolicyTextBlock" xlink:title="BasisOfPresentationAndPrinciplesOfConsolidationPolicyTextBlock"/>
<link:label xlink:type="resource" xlink:label="cytr_BasisOfPresentationAndPrinciplesOfConsolidationPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_BasisOfPresentationAndPrinciplesOfConsolidationPolicyTextBlock_lbl" xml:lang="en-US" id="cytr_BasisOfPresentationAndPrinciplesOfConsolidationPolicyTextBlock_lbl"> Disclosure of accounting policy for basis of accounting, or basis of presentation, used to prepare the financial statements (for example, US Generally Accepted Accounting Principles, Other Comprehensive Basis of Accounting, IFRS) and accounting policy regarding (1) the principles it follows in consolidating or combining the separate financial statements, including the principles followed in determining the inclusion or exclusion of subsidiaries or other entities in the consolidated or combined financial statements and (2) its treatment of interests (for example, common stock, a partnership interest or other means of exerting influence) in other entities, for example consolidation or use of the equity or cost methods of accounting. The accounting policy may also address the accounting treatment for intercompany accounts and transactions, noncontrolling interest, and the income statement treatment in consolidation for issuances of stock by a subsidiary. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BasisOfPresentationAndPrinciplesOfConsolidationPolicyTextBlock" xlink:to="cytr_BasisOfPresentationAndPrinciplesOfConsolidationPolicyTextBlock_lbl" xlink:title="label: BasisOfPresentationAndPrinciplesOfConsolidationPolicyTextBlock to cytr_BasisOfPresentationAndPrinciplesOfConsolidationPolicyTextBlock_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_BasisOfPresentationAndPrinciplesOfConsolidationPolicyTextBlock_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_BasisOfPresentationAndPrinciplesOfConsolidationPolicyTextBlock_lbl1" xml:lang="en-US" id="cytr_BasisOfPresentationAndPrinciplesOfConsolidationPolicyTextBlock_lbl1"> Basis of Presentation and Principles of Consolidation [Policy Text Block] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BasisOfPresentationAndPrinciplesOfConsolidationPolicyTextBlock" xlink:to="cytr_BasisOfPresentationAndPrinciplesOfConsolidationPolicyTextBlock_lbl1" xlink:title="label: BasisOfPresentationAndPrinciplesOfConsolidationPolicyTextBlock to cytr_BasisOfPresentationAndPrinciplesOfConsolidationPolicyTextBlock_lbl1"/>
<link:label xlink:type="resource" xlink:label="cytr_BasisOfPresentationAndPrinciplesOfConsolidationPolicyTextBlock_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="cytr_BasisOfPresentationAndPrinciplesOfConsolidationPolicyTextBlock_lbl2" xml:lang="en-US" id="cytr_BasisOfPresentationAndPrinciplesOfConsolidationPolicyTextBlock_lbl2"> Basis of Presentation and Principles of Consolidation </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BasisOfPresentationAndPrinciplesOfConsolidationPolicyTextBlock" xlink:to="cytr_BasisOfPresentationAndPrinciplesOfConsolidationPolicyTextBlock_lbl2" xlink:title="label: BasisOfPresentationAndPrinciplesOfConsolidationPolicyTextBlock to cytr_BasisOfPresentationAndPrinciplesOfConsolidationPolicyTextBlock_lbl2"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_ReverseStockSplitPolicyTextBlock" xlink:label="ReverseStockSplitPolicyTextBlock" xlink:title="ReverseStockSplitPolicyTextBlock"/>
<link:label xlink:type="resource" xlink:label="cytr_ReverseStockSplitPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_ReverseStockSplitPolicyTextBlock_lbl" xml:lang="en-US" id="cytr_ReverseStockSplitPolicyTextBlock_lbl"> Disclosure of accounting policy for reduction in the number of shares during the period as a result of a reverse stock split. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ReverseStockSplitPolicyTextBlock" xlink:to="cytr_ReverseStockSplitPolicyTextBlock_lbl" xlink:title="label: ReverseStockSplitPolicyTextBlock to cytr_ReverseStockSplitPolicyTextBlock_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_ReverseStockSplitPolicyTextBlock_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_ReverseStockSplitPolicyTextBlock_lbl1" xml:lang="en-US" id="cytr_ReverseStockSplitPolicyTextBlock_lbl1"> Reverse Stock Split [Policy Text Block] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ReverseStockSplitPolicyTextBlock" xlink:to="cytr_ReverseStockSplitPolicyTextBlock_lbl1" xlink:title="label: ReverseStockSplitPolicyTextBlock to cytr_ReverseStockSplitPolicyTextBlock_lbl1"/>
<link:label xlink:type="resource" xlink:label="cytr_ReverseStockSplitPolicyTextBlock_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="cytr_ReverseStockSplitPolicyTextBlock_lbl2" xml:lang="en-US" id="cytr_ReverseStockSplitPolicyTextBlock_lbl2"> Reverse Stock Split </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ReverseStockSplitPolicyTextBlock" xlink:to="cytr_ReverseStockSplitPolicyTextBlock_lbl2" xlink:title="label: ReverseStockSplitPolicyTextBlock to cytr_ReverseStockSplitPolicyTextBlock_lbl2"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_WarrantLiabilitiesPolicyTextBlock" xlink:label="WarrantLiabilitiesPolicyTextBlock" xlink:title="WarrantLiabilitiesPolicyTextBlock"/>
<link:label xlink:type="resource" xlink:label="cytr_WarrantLiabilitiesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_WarrantLiabilitiesPolicyTextBlock_lbl" xml:lang="en-US" id="cytr_WarrantLiabilitiesPolicyTextBlock_lbl"> Disclosure of accounting policy for warrant liabilities. If warrants or rights issued, specifically related to equity financing, and the accounting treatment of gain or loss prior to final settlement. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="WarrantLiabilitiesPolicyTextBlock" xlink:to="cytr_WarrantLiabilitiesPolicyTextBlock_lbl" xlink:title="label: WarrantLiabilitiesPolicyTextBlock to cytr_WarrantLiabilitiesPolicyTextBlock_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_WarrantLiabilitiesPolicyTextBlock_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_WarrantLiabilitiesPolicyTextBlock_lbl1" xml:lang="en-US" id="cytr_WarrantLiabilitiesPolicyTextBlock_lbl1"> Warrant Liabilities [Policy Text Block] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="WarrantLiabilitiesPolicyTextBlock" xlink:to="cytr_WarrantLiabilitiesPolicyTextBlock_lbl1" xlink:title="label: WarrantLiabilitiesPolicyTextBlock to cytr_WarrantLiabilitiesPolicyTextBlock_lbl1"/>
<link:label xlink:type="resource" xlink:label="cytr_WarrantLiabilitiesPolicyTextBlock_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="cytr_WarrantLiabilitiesPolicyTextBlock_lbl2" xml:lang="en-US" id="cytr_WarrantLiabilitiesPolicyTextBlock_lbl2"> Warrant Liabilities </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="WarrantLiabilitiesPolicyTextBlock" xlink:to="cytr_WarrantLiabilitiesPolicyTextBlock_lbl2" xlink:title="label: WarrantLiabilitiesPolicyTextBlock to cytr_WarrantLiabilitiesPolicyTextBlock_lbl2"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_PatentsAndPatentApplicationCostsPolicyTextBlock" xlink:label="PatentsAndPatentApplicationCostsPolicyTextBlock" xlink:title="PatentsAndPatentApplicationCostsPolicyTextBlock"/>
<link:label xlink:type="resource" xlink:label="cytr_PatentsAndPatentApplicationCostsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_PatentsAndPatentApplicationCostsPolicyTextBlock_lbl" xml:lang="en-US" id="cytr_PatentsAndPatentApplicationCostsPolicyTextBlock_lbl"> Disclosure of accounting policy for determining the patents and patent application costs. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PatentsAndPatentApplicationCostsPolicyTextBlock" xlink:to="cytr_PatentsAndPatentApplicationCostsPolicyTextBlock_lbl" xlink:title="label: PatentsAndPatentApplicationCostsPolicyTextBlock to cytr_PatentsAndPatentApplicationCostsPolicyTextBlock_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_PatentsAndPatentApplicationCostsPolicyTextBlock_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_PatentsAndPatentApplicationCostsPolicyTextBlock_lbl1" xml:lang="en-US" id="cytr_PatentsAndPatentApplicationCostsPolicyTextBlock_lbl1"> Patents and Patent Application Costs [Policy Text Block] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PatentsAndPatentApplicationCostsPolicyTextBlock" xlink:to="cytr_PatentsAndPatentApplicationCostsPolicyTextBlock_lbl1" xlink:title="label: PatentsAndPatentApplicationCostsPolicyTextBlock to cytr_PatentsAndPatentApplicationCostsPolicyTextBlock_lbl1"/>
<link:label xlink:type="resource" xlink:label="cytr_PatentsAndPatentApplicationCostsPolicyTextBlock_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="cytr_PatentsAndPatentApplicationCostsPolicyTextBlock_lbl2" xml:lang="en-US" id="cytr_PatentsAndPatentApplicationCostsPolicyTextBlock_lbl2"> Patents and Patent Application Costs </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PatentsAndPatentApplicationCostsPolicyTextBlock" xlink:to="cytr_PatentsAndPatentApplicationCostsPolicyTextBlock_lbl2" xlink:title="label: PatentsAndPatentApplicationCostsPolicyTextBlock to cytr_PatentsAndPatentApplicationCostsPolicyTextBlock_lbl2"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_ClinicalTrialExpensesPolicyTextBlock" xlink:label="ClinicalTrialExpensesPolicyTextBlock" xlink:title="ClinicalTrialExpensesPolicyTextBlock"/>
<link:label xlink:type="resource" xlink:label="cytr_ClinicalTrialExpensesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_ClinicalTrialExpensesPolicyTextBlock_lbl" xml:lang="en-US" id="cytr_ClinicalTrialExpensesPolicyTextBlock_lbl"> Disclosure of accounting policy for determining the clinical trial expenses which are included in research and development expenses, include obligations resulting from the Company's contracts with various clinical research organizations in connection with conducting clinical trials for its product candidates. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ClinicalTrialExpensesPolicyTextBlock" xlink:to="cytr_ClinicalTrialExpensesPolicyTextBlock_lbl" xlink:title="label: ClinicalTrialExpensesPolicyTextBlock to cytr_ClinicalTrialExpensesPolicyTextBlock_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_ClinicalTrialExpensesPolicyTextBlock_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_ClinicalTrialExpensesPolicyTextBlock_lbl1" xml:lang="en-US" id="cytr_ClinicalTrialExpensesPolicyTextBlock_lbl1"> Clinical Trial Expenses [Policy Text Block] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ClinicalTrialExpensesPolicyTextBlock" xlink:to="cytr_ClinicalTrialExpensesPolicyTextBlock_lbl1" xlink:title="label: ClinicalTrialExpensesPolicyTextBlock to cytr_ClinicalTrialExpensesPolicyTextBlock_lbl1"/>
<link:label xlink:type="resource" xlink:label="cytr_ClinicalTrialExpensesPolicyTextBlock_lbl2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="cytr_ClinicalTrialExpensesPolicyTextBlock_lbl2" xml:lang="en-US" id="cytr_ClinicalTrialExpensesPolicyTextBlock_lbl2"> Clinical Trial Expenses </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ClinicalTrialExpensesPolicyTextBlock" xlink:to="cytr_ClinicalTrialExpensesPolicyTextBlock_lbl2" xlink:title="label: ClinicalTrialExpensesPolicyTextBlock to cytr_ClinicalTrialExpensesPolicyTextBlock_lbl2"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_SharesReservedForFutureIssuancePolicyTextBlock" xlink:label="SharesReservedForFutureIssuancePolicyTextBlock" xlink:title="SharesReservedForFutureIssuancePolicyTextBlock"/>
<link:label xlink:type="resource" xlink:label="cytr_SharesReservedForFutureIssuancePolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_SharesReservedForFutureIssuancePolicyTextBlock_lbl" xml:lang="en-US" id="cytr_SharesReservedForFutureIssuancePolicyTextBlock_lbl"> Disclosure of accounting policy for the shares reserved for future issuance pursuant to its employee stock option plans issued to employees and consultants. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SharesReservedForFutureIssuancePolicyTextBlock" xlink:to="cytr_SharesReservedForFutureIssuancePolicyTextBlock_lbl" xlink:title="label: SharesReservedForFutureIssuancePolicyTextBlock to cytr_SharesReservedForFutureIssuancePolicyTextBlock_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_SharesReservedForFutureIssuancePolicyTextBlock_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_SharesReservedForFutureIssuancePolicyTextBlock_lbl1" xml:lang="en-US" id="cytr_SharesReservedForFutureIssuancePolicyTextBlock_lbl1"> Shares Reserved for Future Issuance [Policy Text Block] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SharesReservedForFutureIssuancePolicyTextBlock" xlink:to="cytr_SharesReservedForFutureIssuancePolicyTextBlock_lbl1" xlink:title="label: SharesReservedForFutureIssuancePolicyTextBlock to cytr_SharesReservedForFutureIssuancePolicyTextBlock_lbl1"/>
<link:label xlink:type="resource" xlink:label="cytr_SharesReservedForFutureIssuancePolicyTextBlock_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="cytr_SharesReservedForFutureIssuancePolicyTextBlock_lbl2" xml:lang="en-US" id="cytr_SharesReservedForFutureIssuancePolicyTextBlock_lbl2"> Shares Reserved for Future Issuance </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SharesReservedForFutureIssuancePolicyTextBlock" xlink:to="cytr_SharesReservedForFutureIssuancePolicyTextBlock_lbl2" xlink:title="label: SharesReservedForFutureIssuancePolicyTextBlock to cytr_SharesReservedForFutureIssuancePolicyTextBlock_lbl2"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_ChangesInCarryingAmountsOfWarrantLiabilitiesAbstract" xlink:label="ChangesInCarryingAmountsOfWarrantLiabilitiesAbstract" xlink:title="ChangesInCarryingAmountsOfWarrantLiabilitiesAbstract"/>
<link:label xlink:type="resource" xlink:label="cytr_ChangesInCarryingAmountsOfWarrantLiabilitiesAbstract_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_ChangesInCarryingAmountsOfWarrantLiabilitiesAbstract_lbl1" xml:lang="en-US" id="cytr_ChangesInCarryingAmountsOfWarrantLiabilitiesAbstract_lbl1"> Changes in carrying amounts of warrant liabilities [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ChangesInCarryingAmountsOfWarrantLiabilitiesAbstract" xlink:to="cytr_ChangesInCarryingAmountsOfWarrantLiabilitiesAbstract_lbl1" xlink:title="label: ChangesInCarryingAmountsOfWarrantLiabilitiesAbstract to cytr_ChangesInCarryingAmountsOfWarrantLiabilitiesAbstract_lbl1"/>
<link:label xlink:type="resource" xlink:label="cytr_ChangesInCarryingAmountsOfWarrantLiabilitiesAbstract_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="cytr_ChangesInCarryingAmountsOfWarrantLiabilitiesAbstract_lbl2" xml:lang="en-US" id="cytr_ChangesInCarryingAmountsOfWarrantLiabilitiesAbstract_lbl2"> Changes in carrying amounts of warrant liabilities [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ChangesInCarryingAmountsOfWarrantLiabilitiesAbstract" xlink:to="cytr_ChangesInCarryingAmountsOfWarrantLiabilitiesAbstract_lbl2" xlink:title="label: ChangesInCarryingAmountsOfWarrantLiabilitiesAbstract to cytr_ChangesInCarryingAmountsOfWarrantLiabilitiesAbstract_lbl2"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_MaximumMaturityOfHighlyLiquidDebtInstrument" xlink:label="MaximumMaturityOfHighlyLiquidDebtInstrument" xlink:title="MaximumMaturityOfHighlyLiquidDebtInstrument"/>
<link:label xlink:type="resource" xlink:label="cytr_MaximumMaturityOfHighlyLiquidDebtInstrument_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_MaximumMaturityOfHighlyLiquidDebtInstrument_lbl" xml:lang="en-US" id="cytr_MaximumMaturityOfHighlyLiquidDebtInstrument_lbl"> Element represents the maximum maturity period of highly liquid debt instrument. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MaximumMaturityOfHighlyLiquidDebtInstrument" xlink:to="cytr_MaximumMaturityOfHighlyLiquidDebtInstrument_lbl" xlink:title="label: MaximumMaturityOfHighlyLiquidDebtInstrument to cytr_MaximumMaturityOfHighlyLiquidDebtInstrument_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_MaximumMaturityOfHighlyLiquidDebtInstrument_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_MaximumMaturityOfHighlyLiquidDebtInstrument_lbl1" xml:lang="en-US" id="cytr_MaximumMaturityOfHighlyLiquidDebtInstrument_lbl1"> Maximum maturity of highly liquid debt instrument </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MaximumMaturityOfHighlyLiquidDebtInstrument" xlink:to="cytr_MaximumMaturityOfHighlyLiquidDebtInstrument_lbl1" xlink:title="label: MaximumMaturityOfHighlyLiquidDebtInstrument to cytr_MaximumMaturityOfHighlyLiquidDebtInstrument_lbl1"/>
<link:label xlink:type="resource" xlink:label="cytr_MaximumMaturityOfHighlyLiquidDebtInstrument_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="cytr_MaximumMaturityOfHighlyLiquidDebtInstrument_lbl2" xml:lang="en-US" id="cytr_MaximumMaturityOfHighlyLiquidDebtInstrument_lbl2"> Maximum maturity of highly liquid debt instrument </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MaximumMaturityOfHighlyLiquidDebtInstrument" xlink:to="cytr_MaximumMaturityOfHighlyLiquidDebtInstrument_lbl2" xlink:title="label: MaximumMaturityOfHighlyLiquidDebtInstrument to cytr_MaximumMaturityOfHighlyLiquidDebtInstrument_lbl2"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_WarrantLiabilityFairValueDisclosure" xlink:label="WarrantLiabilityFairValueDisclosure" xlink:title="WarrantLiabilityFairValueDisclosure"/>
<link:label xlink:type="resource" xlink:label="cytr_WarrantLiabilityFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_WarrantLiabilityFairValueDisclosure_lbl" xml:lang="en-US" id="cytr_WarrantLiabilityFairValueDisclosure_lbl"> Fair value portion of a security that gives the holder the right to purchase shares of stock in accordance with the terms of the instrument, usually upon payment of a specified amount. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="WarrantLiabilityFairValueDisclosure" xlink:to="cytr_WarrantLiabilityFairValueDisclosure_lbl" xlink:title="label: WarrantLiabilityFairValueDisclosure to cytr_WarrantLiabilityFairValueDisclosure_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_WarrantLiabilityFairValueDisclosure_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_WarrantLiabilityFairValueDisclosure_lbl1" xml:lang="en-US" id="cytr_WarrantLiabilityFairValueDisclosure_lbl1"> Warrant Liability, Fair Value Disclosure </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="WarrantLiabilityFairValueDisclosure" xlink:to="cytr_WarrantLiabilityFairValueDisclosure_lbl1" xlink:title="label: WarrantLiabilityFairValueDisclosure to cytr_WarrantLiabilityFairValueDisclosure_lbl1"/>
<link:label xlink:type="resource" xlink:label="cytr_WarrantLiabilityFairValueDisclosure_lbl2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="cytr_WarrantLiabilityFairValueDisclosure_lbl2" xml:lang="en-US" id="cytr_WarrantLiabilityFairValueDisclosure_lbl2"> Warrant liabilities </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="WarrantLiabilityFairValueDisclosure" xlink:to="cytr_WarrantLiabilityFairValueDisclosure_lbl2" xlink:title="label: WarrantLiabilityFairValueDisclosure to cytr_WarrantLiabilityFairValueDisclosure_lbl2"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_ShortTermInvestmentsFairValue" xlink:label="ShortTermInvestmentsFairValue" xlink:title="ShortTermInvestmentsFairValue"/>
<link:label xlink:type="resource" xlink:label="cytr_ShortTermInvestmentsFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_ShortTermInvestmentsFairValue_lbl" xml:lang="en-US" id="cytr_ShortTermInvestmentsFairValue_lbl"> This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. Investments which are intended to be sold in the short term (usually less than one year or the normal operating cycle, whichever is longer) including trading securities, available-for-sale securities, held-to-maturity securities, and other short-term investments not otherwise listed in the existing taxonomy. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShortTermInvestmentsFairValue" xlink:to="cytr_ShortTermInvestmentsFairValue_lbl" xlink:title="label: ShortTermInvestmentsFairValue to cytr_ShortTermInvestmentsFairValue_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_ShortTermInvestmentsFairValue_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_ShortTermInvestmentsFairValue_lbl1" xml:lang="en-US" id="cytr_ShortTermInvestmentsFairValue_lbl1"> Short Term Investments Fair Value </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShortTermInvestmentsFairValue" xlink:to="cytr_ShortTermInvestmentsFairValue_lbl1" xlink:title="label: ShortTermInvestmentsFairValue to cytr_ShortTermInvestmentsFairValue_lbl1"/>
<link:label xlink:type="resource" xlink:label="cytr_ShortTermInvestmentsFairValue_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="cytr_ShortTermInvestmentsFairValue_lbl2" xml:lang="en-US" id="cytr_ShortTermInvestmentsFairValue_lbl2"> Short-term investments </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShortTermInvestmentsFairValue" xlink:to="cytr_ShortTermInvestmentsFairValue_lbl2" xlink:title="label: ShortTermInvestmentsFairValue to cytr_ShortTermInvestmentsFairValue_lbl2"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_MaximumMaturityToBeConsideredAsAvailableForSale" xlink:label="MaximumMaturityToBeConsideredAsAvailableForSale" xlink:title="MaximumMaturityToBeConsideredAsAvailableForSale"/>
<link:label xlink:type="resource" xlink:label="cytr_MaximumMaturityToBeConsideredAsAvailableForSale_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_MaximumMaturityToBeConsideredAsAvailableForSale_lbl" xml:lang="en-US" id="cytr_MaximumMaturityToBeConsideredAsAvailableForSale_lbl"> Element represents the maximum maturity period of short term investments to be considered as available for sale investments. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MaximumMaturityToBeConsideredAsAvailableForSale" xlink:to="cytr_MaximumMaturityToBeConsideredAsAvailableForSale_lbl" xlink:title="label: MaximumMaturityToBeConsideredAsAvailableForSale to cytr_MaximumMaturityToBeConsideredAsAvailableForSale_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_MaximumMaturityToBeConsideredAsAvailableForSale_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_MaximumMaturityToBeConsideredAsAvailableForSale_lbl1" xml:lang="en-US" id="cytr_MaximumMaturityToBeConsideredAsAvailableForSale_lbl1"> Maximum maturity to be considered as available for sale </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MaximumMaturityToBeConsideredAsAvailableForSale" xlink:to="cytr_MaximumMaturityToBeConsideredAsAvailableForSale_lbl1" xlink:title="label: MaximumMaturityToBeConsideredAsAvailableForSale to cytr_MaximumMaturityToBeConsideredAsAvailableForSale_lbl1"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_SeriesJuniorParticipatingPreferredStockSharesAuthorized" xlink:label="SeriesJuniorParticipatingPreferredStockSharesAuthorized" xlink:title="SeriesJuniorParticipatingPreferredStockSharesAuthorized"/>
<link:label xlink:type="resource" xlink:label="cytr_SeriesJuniorParticipatingPreferredStockSharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_SeriesJuniorParticipatingPreferredStockSharesAuthorized_lbl" xml:lang="en-US" id="cytr_SeriesJuniorParticipatingPreferredStockSharesAuthorized_lbl"> The maximum number of participating junior series preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SeriesJuniorParticipatingPreferredStockSharesAuthorized" xlink:to="cytr_SeriesJuniorParticipatingPreferredStockSharesAuthorized_lbl" xlink:title="label: SeriesJuniorParticipatingPreferredStockSharesAuthorized to cytr_SeriesJuniorParticipatingPreferredStockSharesAuthorized_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_SeriesJuniorParticipatingPreferredStockSharesAuthorized_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_SeriesJuniorParticipatingPreferredStockSharesAuthorized_lbl1" xml:lang="en-US" id="cytr_SeriesJuniorParticipatingPreferredStockSharesAuthorized_lbl1"> Series A Junior Participating Preferred Stock, shares authorized </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SeriesJuniorParticipatingPreferredStockSharesAuthorized" xlink:to="cytr_SeriesJuniorParticipatingPreferredStockSharesAuthorized_lbl1" xlink:title="label: SeriesJuniorParticipatingPreferredStockSharesAuthorized to cytr_SeriesJuniorParticipatingPreferredStockSharesAuthorized_lbl1"/>
<link:label xlink:type="resource" xlink:label="cytr_SeriesJuniorParticipatingPreferredStockSharesAuthorized_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="cytr_SeriesJuniorParticipatingPreferredStockSharesAuthorized_lbl2" xml:lang="en-US" id="cytr_SeriesJuniorParticipatingPreferredStockSharesAuthorized_lbl2"> Series A Junior Participating Preferred Stock, shares authorized (in shares) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SeriesJuniorParticipatingPreferredStockSharesAuthorized" xlink:to="cytr_SeriesJuniorParticipatingPreferredStockSharesAuthorized_lbl2" xlink:title="label: SeriesJuniorParticipatingPreferredStockSharesAuthorized to cytr_SeriesJuniorParticipatingPreferredStockSharesAuthorized_lbl2"/>
<link:label xlink:type="resource" xlink:label="cytr_SeriesJuniorParticipatingPreferredStockSharesAuthorized_lbl3" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="cytr_SeriesJuniorParticipatingPreferredStockSharesAuthorized_lbl3" xml:lang="en-US" id="cytr_SeriesJuniorParticipatingPreferredStockSharesAuthorized_lbl3"> Series A preferred stock, shares authorized (in shares) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SeriesJuniorParticipatingPreferredStockSharesAuthorized" xlink:to="cytr_SeriesJuniorParticipatingPreferredStockSharesAuthorized_lbl3" xlink:title="label: SeriesJuniorParticipatingPreferredStockSharesAuthorized to cytr_SeriesJuniorParticipatingPreferredStockSharesAuthorized_lbl3"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_AlbuminBindingCancerDrugsMember" xlink:label="AlbuminBindingCancerDrugsMember" xlink:title="AlbuminBindingCancerDrugsMember"/>
<link:label xlink:type="resource" xlink:label="cytr_AlbuminBindingCancerDrugsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_AlbuminBindingCancerDrugsMember_lbl" xml:lang="en-US" id="cytr_AlbuminBindingCancerDrugsMember_lbl"> Currently projected expenditures for pre-clinical development of albumin-binding cancer drugs. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AlbuminBindingCancerDrugsMember" xlink:to="cytr_AlbuminBindingCancerDrugsMember_lbl" xlink:title="label: AlbuminBindingCancerDrugsMember to cytr_AlbuminBindingCancerDrugsMember_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_AlbuminBindingCancerDrugsMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_AlbuminBindingCancerDrugsMember_lbl1" xml:lang="en-US" id="cytr_AlbuminBindingCancerDrugsMember_lbl1"> Albumin binding cancer drugs [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AlbuminBindingCancerDrugsMember" xlink:to="cytr_AlbuminBindingCancerDrugsMember_lbl1" xlink:title="label: AlbuminBindingCancerDrugsMember to cytr_AlbuminBindingCancerDrugsMember_lbl1"/>
<link:label xlink:type="resource" xlink:label="cytr_AlbuminBindingCancerDrugsMember_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="cytr_AlbuminBindingCancerDrugsMember_lbl2" xml:lang="en-US" id="cytr_AlbuminBindingCancerDrugsMember_lbl2"> Albumin-Binding Cancer Drugs [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AlbuminBindingCancerDrugsMember" xlink:to="cytr_AlbuminBindingCancerDrugsMember_lbl2" xlink:title="label: AlbuminBindingCancerDrugsMember to cytr_AlbuminBindingCancerDrugsMember_lbl2"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_NumberOfProgramsInClinicalDevelopmentForCancerIndications" xlink:label="NumberOfProgramsInClinicalDevelopmentForCancerIndications" xlink:title="NumberOfProgramsInClinicalDevelopmentForCancerIndications"/>
<link:label xlink:type="resource" xlink:label="cytr_NumberOfProgramsInClinicalDevelopmentForCancerIndications_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_NumberOfProgramsInClinicalDevelopmentForCancerIndications_lbl" xml:lang="en-US" id="cytr_NumberOfProgramsInClinicalDevelopmentForCancerIndications_lbl"> Represents the number of programs in clinical development for cancer indications. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfProgramsInClinicalDevelopmentForCancerIndications" xlink:to="cytr_NumberOfProgramsInClinicalDevelopmentForCancerIndications_lbl" xlink:title="label: NumberOfProgramsInClinicalDevelopmentForCancerIndications to cytr_NumberOfProgramsInClinicalDevelopmentForCancerIndications_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_NumberOfProgramsInClinicalDevelopmentForCancerIndications_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_NumberOfProgramsInClinicalDevelopmentForCancerIndications_lbl1" xml:lang="en-US" id="cytr_NumberOfProgramsInClinicalDevelopmentForCancerIndications_lbl1"> Number of programs in clinical development for cancer indications </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfProgramsInClinicalDevelopmentForCancerIndications" xlink:to="cytr_NumberOfProgramsInClinicalDevelopmentForCancerIndications_lbl1" xlink:title="label: NumberOfProgramsInClinicalDevelopmentForCancerIndications to cytr_NumberOfProgramsInClinicalDevelopmentForCancerIndications_lbl1"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_EstimatedProjectedExpendituresTypeTable" xlink:label="EstimatedProjectedExpendituresTypeTable" xlink:title="EstimatedProjectedExpendituresTypeTable"/>
<link:label xlink:type="resource" xlink:label="cytr_EstimatedProjectedExpendituresTypeTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_EstimatedProjectedExpendituresTypeTable_lbl" xml:lang="en-US" id="cytr_EstimatedProjectedExpendituresTypeTable_lbl"> Schedule that describes that estimated projected expenditure by an entity. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EstimatedProjectedExpendituresTypeTable" xlink:to="cytr_EstimatedProjectedExpendituresTypeTable_lbl" xlink:title="label: EstimatedProjectedExpendituresTypeTable to cytr_EstimatedProjectedExpendituresTypeTable_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_EstimatedProjectedExpendituresTypeTable_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_EstimatedProjectedExpendituresTypeTable_lbl1" xml:lang="en-US" id="cytr_EstimatedProjectedExpendituresTypeTable_lbl1"> Estimated Projected Expenditures Type [Table] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EstimatedProjectedExpendituresTypeTable" xlink:to="cytr_EstimatedProjectedExpendituresTypeTable_lbl1" xlink:title="label: EstimatedProjectedExpendituresTypeTable to cytr_EstimatedProjectedExpendituresTypeTable_lbl1"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_EstimatedProjectedExpenditureTypeLineItems" xlink:label="EstimatedProjectedExpenditureTypeLineItems" xlink:title="EstimatedProjectedExpenditureTypeLineItems"/>
<link:label xlink:type="resource" xlink:label="cytr_EstimatedProjectedExpenditureTypeLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_EstimatedProjectedExpenditureTypeLineItems_lbl" xml:lang="en-US" id="cytr_EstimatedProjectedExpenditureTypeLineItems_lbl"> Line items represent the estimated projected expenditure. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EstimatedProjectedExpenditureTypeLineItems" xlink:to="cytr_EstimatedProjectedExpenditureTypeLineItems_lbl" xlink:title="label: EstimatedProjectedExpenditureTypeLineItems to cytr_EstimatedProjectedExpenditureTypeLineItems_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_EstimatedProjectedExpenditureTypeLineItems_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_EstimatedProjectedExpenditureTypeLineItems_lbl1" xml:lang="en-US" id="cytr_EstimatedProjectedExpenditureTypeLineItems_lbl1"> Estimated Projected Expenditure Type [Line Items] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EstimatedProjectedExpenditureTypeLineItems" xlink:to="cytr_EstimatedProjectedExpenditureTypeLineItems_lbl1" xlink:title="label: EstimatedProjectedExpenditureTypeLineItems to cytr_EstimatedProjectedExpenditureTypeLineItems_lbl1"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_ProjectedExpendituresForClinicalPrograms" xlink:label="ProjectedExpendituresForClinicalPrograms" xlink:title="ProjectedExpendituresForClinicalPrograms"/>
<link:label xlink:type="resource" xlink:label="cytr_ProjectedExpendituresForClinicalPrograms_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_ProjectedExpendituresForClinicalPrograms_lbl" xml:lang="en-US" id="cytr_ProjectedExpendituresForClinicalPrograms_lbl"> Monetary value refers to the entity estimate currently projected expenditures. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ProjectedExpendituresForClinicalPrograms" xlink:to="cytr_ProjectedExpendituresForClinicalPrograms_lbl" xlink:title="label: ProjectedExpendituresForClinicalPrograms to cytr_ProjectedExpendituresForClinicalPrograms_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_ProjectedExpendituresForClinicalPrograms_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_ProjectedExpendituresForClinicalPrograms_lbl1" xml:lang="en-US" id="cytr_ProjectedExpendituresForClinicalPrograms_lbl1"> Projected expenditures for clinical programs </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ProjectedExpendituresForClinicalPrograms" xlink:to="cytr_ProjectedExpendituresForClinicalPrograms_lbl1" xlink:title="label: ProjectedExpendituresForClinicalPrograms to cytr_ProjectedExpendituresForClinicalPrograms_lbl1"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_EstimatedProjectedExpendituresTypeAxis" xlink:label="EstimatedProjectedExpendituresTypeAxis" xlink:title="EstimatedProjectedExpendituresTypeAxis"/>
<link:label xlink:type="resource" xlink:label="cytr_EstimatedProjectedExpendituresTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_EstimatedProjectedExpendituresTypeAxis_lbl" xml:lang="en-US" id="cytr_EstimatedProjectedExpendituresTypeAxis_lbl"> Information categorized by estimated projected expenditures by an entity. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EstimatedProjectedExpendituresTypeAxis" xlink:to="cytr_EstimatedProjectedExpendituresTypeAxis_lbl" xlink:title="label: EstimatedProjectedExpendituresTypeAxis to cytr_EstimatedProjectedExpendituresTypeAxis_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_EstimatedProjectedExpendituresTypeAxis_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_EstimatedProjectedExpendituresTypeAxis_lbl1" xml:lang="en-US" id="cytr_EstimatedProjectedExpendituresTypeAxis_lbl1"> Estimated Projected Expenditures Type [Axis] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EstimatedProjectedExpendituresTypeAxis" xlink:to="cytr_EstimatedProjectedExpendituresTypeAxis_lbl1" xlink:title="label: EstimatedProjectedExpendituresTypeAxis to cytr_EstimatedProjectedExpendituresTypeAxis_lbl1"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_EstimatedProjectedExpenditureTypeDomain" xlink:label="EstimatedProjectedExpenditureTypeDomain" xlink:title="EstimatedProjectedExpenditureTypeDomain"/>
<link:label xlink:type="resource" xlink:label="cytr_EstimatedProjectedExpenditureTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_EstimatedProjectedExpenditureTypeDomain_lbl" xml:lang="en-US" id="cytr_EstimatedProjectedExpenditureTypeDomain_lbl"> This item is to be categorized by estimated projected expenditures. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EstimatedProjectedExpenditureTypeDomain" xlink:to="cytr_EstimatedProjectedExpenditureTypeDomain_lbl" xlink:title="label: EstimatedProjectedExpenditureTypeDomain to cytr_EstimatedProjectedExpenditureTypeDomain_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_EstimatedProjectedExpenditureTypeDomain_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_EstimatedProjectedExpenditureTypeDomain_lbl1" xml:lang="en-US" id="cytr_EstimatedProjectedExpenditureTypeDomain_lbl1"> Estimated projected expenditure type [Domain] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EstimatedProjectedExpenditureTypeDomain" xlink:to="cytr_EstimatedProjectedExpenditureTypeDomain_lbl1" xlink:title="label: EstimatedProjectedExpenditureTypeDomain to cytr_EstimatedProjectedExpenditureTypeDomain_lbl1"/>
<link:label xlink:type="resource" xlink:label="cytr_EstimatedProjectedExpenditureTypeDomain_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="cytr_EstimatedProjectedExpenditureTypeDomain_lbl2" xml:lang="en-US" id="cytr_EstimatedProjectedExpenditureTypeDomain_lbl2"> Estimated Projected Expenditure Type [Domain] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EstimatedProjectedExpenditureTypeDomain" xlink:to="cytr_EstimatedProjectedExpenditureTypeDomain_lbl2" xlink:title="label: EstimatedProjectedExpenditureTypeDomain to cytr_EstimatedProjectedExpenditureTypeDomain_lbl2"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_OtherGeneralAndAdministrativeExpensesMember" xlink:label="OtherGeneralAndAdministrativeExpensesMember" xlink:title="OtherGeneralAndAdministrativeExpensesMember"/>
<link:label xlink:type="resource" xlink:label="cytr_OtherGeneralAndAdministrativeExpensesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_OtherGeneralAndAdministrativeExpensesMember_lbl" xml:lang="en-US" id="cytr_OtherGeneralAndAdministrativeExpensesMember_lbl"> Refers to currently projected expenditures for clinical programs for other general and administrative expenses. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherGeneralAndAdministrativeExpensesMember" xlink:to="cytr_OtherGeneralAndAdministrativeExpensesMember_lbl" xlink:title="label: OtherGeneralAndAdministrativeExpensesMember to cytr_OtherGeneralAndAdministrativeExpensesMember_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_OtherGeneralAndAdministrativeExpensesMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_OtherGeneralAndAdministrativeExpensesMember_lbl1" xml:lang="en-US" id="cytr_OtherGeneralAndAdministrativeExpensesMember_lbl1"> Other general and administrative expenses [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherGeneralAndAdministrativeExpensesMember" xlink:to="cytr_OtherGeneralAndAdministrativeExpensesMember_lbl1" xlink:title="label: OtherGeneralAndAdministrativeExpensesMember to cytr_OtherGeneralAndAdministrativeExpensesMember_lbl1"/>
<link:label xlink:type="resource" xlink:label="cytr_OtherGeneralAndAdministrativeExpensesMember_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="cytr_OtherGeneralAndAdministrativeExpensesMember_lbl2" xml:lang="en-US" id="cytr_OtherGeneralAndAdministrativeExpensesMember_lbl2"> Other General and Administrative Expenses [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherGeneralAndAdministrativeExpensesMember" xlink:to="cytr_OtherGeneralAndAdministrativeExpensesMember_lbl2" xlink:title="label: OtherGeneralAndAdministrativeExpensesMember to cytr_OtherGeneralAndAdministrativeExpensesMember_lbl2"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_AldoxorubicinMember" xlink:label="AldoxorubicinMember" xlink:title="AldoxorubicinMember"/>
<link:label xlink:type="resource" xlink:label="cytr_AldoxorubicinMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_AldoxorubicinMember_lbl" xml:lang="en-US" id="cytr_AldoxorubicinMember_lbl"> Refers to currently projected expenditures for clinical programs for aldoxorubicin. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AldoxorubicinMember" xlink:to="cytr_AldoxorubicinMember_lbl" xlink:title="label: AldoxorubicinMember to cytr_AldoxorubicinMember_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_AldoxorubicinMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_AldoxorubicinMember_lbl1" xml:lang="en-US" id="cytr_AldoxorubicinMember_lbl1"> Aldoxorubicin [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AldoxorubicinMember" xlink:to="cytr_AldoxorubicinMember_lbl1" xlink:title="label: AldoxorubicinMember to cytr_AldoxorubicinMember_lbl1"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_GeneralOperationMember" xlink:label="GeneralOperationMember" xlink:title="GeneralOperationMember"/>
<link:label xlink:type="resource" xlink:label="cytr_GeneralOperationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_GeneralOperationMember_lbl" xml:lang="en-US" id="cytr_GeneralOperationMember_lbl"> Refers to currently projected expenditures for clinical programs for general operation. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="GeneralOperationMember" xlink:to="cytr_GeneralOperationMember_lbl" xlink:title="label: GeneralOperationMember to cytr_GeneralOperationMember_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_GeneralOperationMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_GeneralOperationMember_lbl1" xml:lang="en-US" id="cytr_GeneralOperationMember_lbl1"> General operation [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="GeneralOperationMember" xlink:to="cytr_GeneralOperationMember_lbl1" xlink:title="label: GeneralOperationMember to cytr_GeneralOperationMember_lbl1"/>
<link:label xlink:type="resource" xlink:label="cytr_GeneralOperationMember_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="cytr_GeneralOperationMember_lbl2" xml:lang="en-US" id="cytr_GeneralOperationMember_lbl2"> General Operation [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="GeneralOperationMember" xlink:to="cytr_GeneralOperationMember_lbl2" xlink:title="label: GeneralOperationMember to cytr_GeneralOperationMember_lbl2"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_AvailableForSaleSecuritiesByMaturityDateAxis" xlink:label="AvailableForSaleSecuritiesByMaturityDateAxis" xlink:title="AvailableForSaleSecuritiesByMaturityDateAxis"/>
<link:label xlink:type="resource" xlink:label="cytr_AvailableForSaleSecuritiesByMaturityDateAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_AvailableForSaleSecuritiesByMaturityDateAxis_lbl" xml:lang="en-US" id="cytr_AvailableForSaleSecuritiesByMaturityDateAxis_lbl"> This element represents the different maturity dates of general categories of securities. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AvailableForSaleSecuritiesByMaturityDateAxis" xlink:to="cytr_AvailableForSaleSecuritiesByMaturityDateAxis_lbl" xlink:title="label: AvailableForSaleSecuritiesByMaturityDateAxis to cytr_AvailableForSaleSecuritiesByMaturityDateAxis_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_AvailableForSaleSecuritiesByMaturityDateAxis_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_AvailableForSaleSecuritiesByMaturityDateAxis_lbl1" xml:lang="en-US" id="cytr_AvailableForSaleSecuritiesByMaturityDateAxis_lbl1"> Available for sale securities by maturity date [Axis] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AvailableForSaleSecuritiesByMaturityDateAxis" xlink:to="cytr_AvailableForSaleSecuritiesByMaturityDateAxis_lbl1" xlink:title="label: AvailableForSaleSecuritiesByMaturityDateAxis to cytr_AvailableForSaleSecuritiesByMaturityDateAxis_lbl1"/>
<link:label xlink:type="resource" xlink:label="cytr_AvailableForSaleSecuritiesByMaturityDateAxis_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="cytr_AvailableForSaleSecuritiesByMaturityDateAxis_lbl2" xml:lang="en-US" id="cytr_AvailableForSaleSecuritiesByMaturityDateAxis_lbl2"> Available-for-sale securities, by maturity date [Axis] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AvailableForSaleSecuritiesByMaturityDateAxis" xlink:to="cytr_AvailableForSaleSecuritiesByMaturityDateAxis_lbl2" xlink:title="label: AvailableForSaleSecuritiesByMaturityDateAxis to cytr_AvailableForSaleSecuritiesByMaturityDateAxis_lbl2"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_AvailableForSaleSecuritiesByMaturityDateDomain" xlink:label="AvailableForSaleSecuritiesByMaturityDateDomain" xlink:title="AvailableForSaleSecuritiesByMaturityDateDomain"/>
<link:label xlink:type="resource" xlink:label="cytr_AvailableForSaleSecuritiesByMaturityDateDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_AvailableForSaleSecuritiesByMaturityDateDomain_lbl" xml:lang="en-US" id="cytr_AvailableForSaleSecuritiesByMaturityDateDomain_lbl"> Different maturity dates of securities categorized as available-for-sale. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AvailableForSaleSecuritiesByMaturityDateDomain" xlink:to="cytr_AvailableForSaleSecuritiesByMaturityDateDomain_lbl" xlink:title="label: AvailableForSaleSecuritiesByMaturityDateDomain to cytr_AvailableForSaleSecuritiesByMaturityDateDomain_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_AvailableForSaleSecuritiesByMaturityDateDomain_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_AvailableForSaleSecuritiesByMaturityDateDomain_lbl1" xml:lang="en-US" id="cytr_AvailableForSaleSecuritiesByMaturityDateDomain_lbl1"> Available for sale securities by maturity date [Domain] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AvailableForSaleSecuritiesByMaturityDateDomain" xlink:to="cytr_AvailableForSaleSecuritiesByMaturityDateDomain_lbl1" xlink:title="label: AvailableForSaleSecuritiesByMaturityDateDomain to cytr_AvailableForSaleSecuritiesByMaturityDateDomain_lbl1"/>
<link:label xlink:type="resource" xlink:label="cytr_AvailableForSaleSecuritiesByMaturityDateDomain_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="cytr_AvailableForSaleSecuritiesByMaturityDateDomain_lbl2" xml:lang="en-US" id="cytr_AvailableForSaleSecuritiesByMaturityDateDomain_lbl2"> Available-for-sale securities, by maturity date [Domain] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AvailableForSaleSecuritiesByMaturityDateDomain" xlink:to="cytr_AvailableForSaleSecuritiesByMaturityDateDomain_lbl2" xlink:title="label: AvailableForSaleSecuritiesByMaturityDateDomain to cytr_AvailableForSaleSecuritiesByMaturityDateDomain_lbl2"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_MaturityDateTwoMemberMember" xlink:label="MaturityDateTwoMemberMember" xlink:title="MaturityDateTwoMemberMember"/>
<link:label xlink:type="resource" xlink:label="cytr_MaturityDateTwoMemberMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_MaturityDateTwoMemberMember_lbl" xml:lang="en-US" id="cytr_MaturityDateTwoMemberMember_lbl"> Represents the maturity date of available for sale securities. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MaturityDateTwoMemberMember" xlink:to="cytr_MaturityDateTwoMemberMember_lbl" xlink:title="label: MaturityDateTwoMemberMember to cytr_MaturityDateTwoMemberMember_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_MaturityDateTwoMemberMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_MaturityDateTwoMemberMember_lbl1" xml:lang="en-US" id="cytr_MaturityDateTwoMemberMember_lbl1"> Maturity Date Two Member [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MaturityDateTwoMemberMember" xlink:to="cytr_MaturityDateTwoMemberMember_lbl1" xlink:title="label: MaturityDateTwoMemberMember to cytr_MaturityDateTwoMemberMember_lbl1"/>
<link:label xlink:type="resource" xlink:label="cytr_MaturityDateTwoMemberMember_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="cytr_MaturityDateTwoMemberMember_lbl2" xml:lang="en-US" id="cytr_MaturityDateTwoMemberMember_lbl2"> Maturity date of May 1, 2014 [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MaturityDateTwoMemberMember" xlink:to="cytr_MaturityDateTwoMemberMember_lbl2" xlink:title="label: MaturityDateTwoMemberMember to cytr_MaturityDateTwoMemberMember_lbl2"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_MaturityDateOneMemberMember" xlink:label="MaturityDateOneMemberMember" xlink:title="MaturityDateOneMemberMember"/>
<link:label xlink:type="resource" xlink:label="cytr_MaturityDateOneMemberMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_MaturityDateOneMemberMember_lbl" xml:lang="en-US" id="cytr_MaturityDateOneMemberMember_lbl"> Represents the maturity date of available for sale securities. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MaturityDateOneMemberMember" xlink:to="cytr_MaturityDateOneMemberMember_lbl" xlink:title="label: MaturityDateOneMemberMember to cytr_MaturityDateOneMemberMember_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_MaturityDateOneMemberMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_MaturityDateOneMemberMember_lbl1" xml:lang="en-US" id="cytr_MaturityDateOneMemberMember_lbl1"> Maturity Date One Member [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MaturityDateOneMemberMember" xlink:to="cytr_MaturityDateOneMemberMember_lbl1" xlink:title="label: MaturityDateOneMemberMember to cytr_MaturityDateOneMemberMember_lbl1"/>
<link:label xlink:type="resource" xlink:label="cytr_MaturityDateOneMemberMember_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="cytr_MaturityDateOneMemberMember_lbl2" xml:lang="en-US" id="cytr_MaturityDateOneMemberMember_lbl2"> Maturity date of April 24, 2014 [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MaturityDateOneMemberMember" xlink:to="cytr_MaturityDateOneMemberMember_lbl2" xlink:title="label: MaturityDateOneMemberMember to cytr_MaturityDateOneMemberMember_lbl2"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_MaturityDateThreeMemberMember" xlink:label="MaturityDateThreeMemberMember" xlink:title="MaturityDateThreeMemberMember"/>
<link:label xlink:type="resource" xlink:label="cytr_MaturityDateThreeMemberMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_MaturityDateThreeMemberMember_lbl" xml:lang="en-US" id="cytr_MaturityDateThreeMemberMember_lbl"> Represents the maturity date of available for sale securities. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MaturityDateThreeMemberMember" xlink:to="cytr_MaturityDateThreeMemberMember_lbl" xlink:title="label: MaturityDateThreeMemberMember to cytr_MaturityDateThreeMemberMember_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_MaturityDateThreeMemberMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_MaturityDateThreeMemberMember_lbl1" xml:lang="en-US" id="cytr_MaturityDateThreeMemberMember_lbl1"> Maturity Date Three Member [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MaturityDateThreeMemberMember" xlink:to="cytr_MaturityDateThreeMemberMember_lbl1" xlink:title="label: MaturityDateThreeMemberMember to cytr_MaturityDateThreeMemberMember_lbl1"/>
<link:label xlink:type="resource" xlink:label="cytr_MaturityDateThreeMemberMember_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="cytr_MaturityDateThreeMemberMember_lbl2" xml:lang="en-US" id="cytr_MaturityDateThreeMemberMember_lbl2"> Maturity date of October 30, 2014 [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MaturityDateThreeMemberMember" xlink:to="cytr_MaturityDateThreeMemberMember_lbl2" xlink:title="label: MaturityDateThreeMemberMember to cytr_MaturityDateThreeMemberMember_lbl2"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_AccruedResearchAndDevelopmentCosts" xlink:label="AccruedResearchAndDevelopmentCosts" xlink:title="AccruedResearchAndDevelopmentCosts"/>
<link:label xlink:type="resource" xlink:label="cytr_AccruedResearchAndDevelopmentCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_AccruedResearchAndDevelopmentCosts_lbl" xml:lang="en-US" id="cytr_AccruedResearchAndDevelopmentCosts_lbl"> Carrying value as of the balance sheet date of obligations incurred through that date and payable research and development cost. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AccruedResearchAndDevelopmentCosts" xlink:to="cytr_AccruedResearchAndDevelopmentCosts_lbl" xlink:title="label: AccruedResearchAndDevelopmentCosts to cytr_AccruedResearchAndDevelopmentCosts_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_AccruedResearchAndDevelopmentCosts_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_AccruedResearchAndDevelopmentCosts_lbl1" xml:lang="en-US" id="cytr_AccruedResearchAndDevelopmentCosts_lbl1"> Accrued Research and Development Costs </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AccruedResearchAndDevelopmentCosts" xlink:to="cytr_AccruedResearchAndDevelopmentCosts_lbl1" xlink:title="label: AccruedResearchAndDevelopmentCosts to cytr_AccruedResearchAndDevelopmentCosts_lbl1"/>
<link:label xlink:type="resource" xlink:label="cytr_AccruedResearchAndDevelopmentCosts_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="cytr_AccruedResearchAndDevelopmentCosts_lbl2" xml:lang="en-US" id="cytr_AccruedResearchAndDevelopmentCosts_lbl2"> Research and development costs </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AccruedResearchAndDevelopmentCosts" xlink:to="cytr_AccruedResearchAndDevelopmentCosts_lbl2" xlink:title="label: AccruedResearchAndDevelopmentCosts to cytr_AccruedResearchAndDevelopmentCosts_lbl2"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_SalesOfAssetsAbstract" xlink:label="SalesOfAssetsAbstract" xlink:title="SalesOfAssetsAbstract"/>
<link:label xlink:type="resource" xlink:label="cytr_SalesOfAssetsAbstract_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_SalesOfAssetsAbstract_lbl1" xml:lang="en-US" id="cytr_SalesOfAssetsAbstract_lbl1"> Sales Of Assets [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SalesOfAssetsAbstract" xlink:to="cytr_SalesOfAssetsAbstract_lbl1" xlink:title="label: SalesOfAssetsAbstract to cytr_SalesOfAssetsAbstract_lbl1"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_SalesOfAssetsTextBlock" xlink:label="SalesOfAssetsTextBlock" xlink:title="SalesOfAssetsTextBlock"/>
<link:label xlink:type="resource" xlink:label="cytr_SalesOfAssetsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_SalesOfAssetsTextBlock_lbl" xml:lang="en-US" id="cytr_SalesOfAssetsTextBlock_lbl"> The entire disclosure related to the sale of assets, which may include the background, identification of the assets to be sold, identity of the parties involved, the amount of sales proceed, and other important information related to the sale. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SalesOfAssetsTextBlock" xlink:to="cytr_SalesOfAssetsTextBlock_lbl" xlink:title="label: SalesOfAssetsTextBlock to cytr_SalesOfAssetsTextBlock_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_SalesOfAssetsTextBlock_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_SalesOfAssetsTextBlock_lbl1" xml:lang="en-US" id="cytr_SalesOfAssetsTextBlock_lbl1"> Sales Of Assets [Text Block] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SalesOfAssetsTextBlock" xlink:to="cytr_SalesOfAssetsTextBlock_lbl1" xlink:title="label: SalesOfAssetsTextBlock to cytr_SalesOfAssetsTextBlock_lbl1"/>
<link:label xlink:type="resource" xlink:label="cytr_SalesOfAssetsTextBlock_lbl2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="cytr_SalesOfAssetsTextBlock_lbl2" xml:lang="en-US" id="cytr_SalesOfAssetsTextBlock_lbl2"> Sale of Assets </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SalesOfAssetsTextBlock" xlink:to="cytr_SalesOfAssetsTextBlock_lbl2" xlink:title="label: SalesOfAssetsTextBlock to cytr_SalesOfAssetsTextBlock_lbl2"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_LongTermIncentivePlanMember" xlink:label="LongTermIncentivePlanMember" xlink:title="LongTermIncentivePlanMember"/>
<link:label xlink:type="resource" xlink:label="cytr_LongTermIncentivePlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_LongTermIncentivePlanMember_lbl" xml:lang="en-US" id="cytr_LongTermIncentivePlanMember_lbl"> The 2000 Long-term incentive plan, reward system designed to improve employees' long term performance by providing rewards. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LongTermIncentivePlanMember" xlink:to="cytr_LongTermIncentivePlanMember_lbl" xlink:title="label: LongTermIncentivePlanMember to cytr_LongTermIncentivePlanMember_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_LongTermIncentivePlanMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_LongTermIncentivePlanMember_lbl1" xml:lang="en-US" id="cytr_LongTermIncentivePlanMember_lbl1"> 2000 Long Term Incentive Plan [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LongTermIncentivePlanMember" xlink:to="cytr_LongTermIncentivePlanMember_lbl1" xlink:title="label: LongTermIncentivePlanMember to cytr_LongTermIncentivePlanMember_lbl1"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_StockIncentivePlanMember" xlink:label="StockIncentivePlanMember" xlink:title="StockIncentivePlanMember"/>
<link:label xlink:type="resource" xlink:label="cytr_StockIncentivePlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_StockIncentivePlanMember_lbl" xml:lang="en-US" id="cytr_StockIncentivePlanMember_lbl"> The 2008 stock incentive plan, reward system designed to improve employees' performance by providing rewards. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIncentivePlanMember" xlink:to="cytr_StockIncentivePlanMember_lbl" xlink:title="label: StockIncentivePlanMember to cytr_StockIncentivePlanMember_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_StockIncentivePlanMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_StockIncentivePlanMember_lbl1" xml:lang="en-US" id="cytr_StockIncentivePlanMember_lbl1"> 2008 Stock Incentive Plan [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIncentivePlanMember" xlink:to="cytr_StockIncentivePlanMember_lbl1" xlink:title="label: StockIncentivePlanMember to cytr_StockIncentivePlanMember_lbl1"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_ShareBasedCompensationAwardsByRecipientAxis" xlink:label="ShareBasedCompensationAwardsByRecipientAxis" xlink:title="ShareBasedCompensationAwardsByRecipientAxis"/>
<link:label xlink:type="resource" xlink:label="cytr_ShareBasedCompensationAwardsByRecipientAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_ShareBasedCompensationAwardsByRecipientAxis_lbl" xml:lang="en-US" id="cytr_ShareBasedCompensationAwardsByRecipientAxis_lbl"> Compensation awards by category of recipient. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationAwardsByRecipientAxis" xlink:to="cytr_ShareBasedCompensationAwardsByRecipientAxis_lbl" xlink:title="label: ShareBasedCompensationAwardsByRecipientAxis to cytr_ShareBasedCompensationAwardsByRecipientAxis_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_ShareBasedCompensationAwardsByRecipientAxis_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_ShareBasedCompensationAwardsByRecipientAxis_lbl1" xml:lang="en-US" id="cytr_ShareBasedCompensationAwardsByRecipientAxis_lbl1"> Share Based Compensation Awards, By Recipient [Axis] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationAwardsByRecipientAxis" xlink:to="cytr_ShareBasedCompensationAwardsByRecipientAxis_lbl1" xlink:title="label: ShareBasedCompensationAwardsByRecipientAxis to cytr_ShareBasedCompensationAwardsByRecipientAxis_lbl1"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_ShareBasedCompensationAwardsByRecipientDomain" xlink:label="ShareBasedCompensationAwardsByRecipientDomain" xlink:title="ShareBasedCompensationAwardsByRecipientDomain"/>
<link:label xlink:type="resource" xlink:label="cytr_ShareBasedCompensationAwardsByRecipientDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_ShareBasedCompensationAwardsByRecipientDomain_lbl" xml:lang="en-US" id="cytr_ShareBasedCompensationAwardsByRecipientDomain_lbl"> Category of the recipients of share based compensation awards made by company. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationAwardsByRecipientDomain" xlink:to="cytr_ShareBasedCompensationAwardsByRecipientDomain_lbl" xlink:title="label: ShareBasedCompensationAwardsByRecipientDomain to cytr_ShareBasedCompensationAwardsByRecipientDomain_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_ShareBasedCompensationAwardsByRecipientDomain_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_ShareBasedCompensationAwardsByRecipientDomain_lbl1" xml:lang="en-US" id="cytr_ShareBasedCompensationAwardsByRecipientDomain_lbl1"> Share Based Compensation Awards, By Recipient [Domain] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationAwardsByRecipientDomain" xlink:to="cytr_ShareBasedCompensationAwardsByRecipientDomain_lbl1" xlink:title="label: ShareBasedCompensationAwardsByRecipientDomain to cytr_ShareBasedCompensationAwardsByRecipientDomain_lbl1"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_SeniorManagementMember" xlink:label="SeniorManagementMember" xlink:title="SeniorManagementMember"/>
<link:label xlink:type="resource" xlink:label="cytr_SeniorManagementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_SeniorManagementMember_lbl" xml:lang="en-US" id="cytr_SeniorManagementMember_lbl"> Persons who are responsible for achieving the objectives of the entity and who have the authority to establish policies and make decisions by which those objectives are to be pursued. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SeniorManagementMember" xlink:to="cytr_SeniorManagementMember_lbl" xlink:title="label: SeniorManagementMember to cytr_SeniorManagementMember_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_SeniorManagementMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_SeniorManagementMember_lbl1" xml:lang="en-US" id="cytr_SeniorManagementMember_lbl1"> Senior management [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SeniorManagementMember" xlink:to="cytr_SeniorManagementMember_lbl1" xlink:title="label: SeniorManagementMember to cytr_SeniorManagementMember_lbl1"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_EmployeesAndDirectorsMember" xlink:label="EmployeesAndDirectorsMember" xlink:title="EmployeesAndDirectorsMember"/>
<link:label xlink:type="resource" xlink:label="cytr_EmployeesAndDirectorsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_EmployeesAndDirectorsMember_lbl" xml:lang="en-US" id="cytr_EmployeesAndDirectorsMember_lbl"> A person serving on the board of directors (who collectively have responsibility for determining the overall policy of the entity and appointing officers) generally elected by the shareholders and an arrangement whereby an employee stock-based compensation expense is classified. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EmployeesAndDirectorsMember" xlink:to="cytr_EmployeesAndDirectorsMember_lbl" xlink:title="label: EmployeesAndDirectorsMember to cytr_EmployeesAndDirectorsMember_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_EmployeesAndDirectorsMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_EmployeesAndDirectorsMember_lbl1" xml:lang="en-US" id="cytr_EmployeesAndDirectorsMember_lbl1"> Employees and Directors [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EmployeesAndDirectorsMember" xlink:to="cytr_EmployeesAndDirectorsMember_lbl1" xlink:title="label: EmployeesAndDirectorsMember to cytr_EmployeesAndDirectorsMember_lbl1"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_EmployeesMember" xlink:label="EmployeesMember" xlink:title="EmployeesMember"/>
<link:label xlink:type="resource" xlink:label="cytr_EmployeesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_EmployeesMember_lbl" xml:lang="en-US" id="cytr_EmployeesMember_lbl"> An arrangement whereby an employees stock-based compensation expense is classified. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EmployeesMember" xlink:to="cytr_EmployeesMember_lbl" xlink:title="label: EmployeesMember to cytr_EmployeesMember_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_EmployeesMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_EmployeesMember_lbl1" xml:lang="en-US" id="cytr_EmployeesMember_lbl1"> Employees [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EmployeesMember" xlink:to="cytr_EmployeesMember_lbl1" xlink:title="label: EmployeesMember to cytr_EmployeesMember_lbl1"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpectedToVestOverSubsequentPeriod" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpectedToVestOverSubsequentPeriod" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpectedToVestOverSubsequentPeriod"/>
<link:label xlink:type="resource" xlink:label="cytr_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpectedToVestOverSubsequentPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpectedToVestOverSubsequentPeriod_lbl" xml:lang="en-US" id="cytr_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpectedToVestOverSubsequentPeriod_lbl"> As of the balance sheet date the number of shares expected to vest over subsequent period other than stock options outstanding can be converted under the option plan. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpectedToVestOverSubsequentPeriod" xlink:to="cytr_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpectedToVestOverSubsequentPeriod_lbl" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpectedToVestOverSubsequentPeriod to cytr_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpectedToVestOverSubsequentPeriod_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpectedToVestOverSubsequentPeriod_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpectedToVestOverSubsequentPeriod_lbl1" xml:lang="en-US" id="cytr_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpectedToVestOverSubsequentPeriod_lbl1"> Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Expected To Vest Over Subsequent Period </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpectedToVestOverSubsequentPeriod" xlink:to="cytr_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpectedToVestOverSubsequentPeriod_lbl1" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpectedToVestOverSubsequentPeriod to cytr_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpectedToVestOverSubsequentPeriod_lbl1"/>
<link:label xlink:type="resource" xlink:label="cytr_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpectedToVestOverSubsequentPeriod_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="cytr_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpectedToVestOverSubsequentPeriod_lbl2" xml:lang="en-US" id="cytr_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpectedToVestOverSubsequentPeriod_lbl2"> Expected to vest over subsequent period (in shares) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpectedToVestOverSubsequentPeriod" xlink:to="cytr_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpectedToVestOverSubsequentPeriod_lbl2" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpectedToVestOverSubsequentPeriod to cytr_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpectedToVestOverSubsequentPeriod_lbl2"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_CommonStockReservedAfterReverseSpiltForFutureIssuance" xlink:label="CommonStockReservedAfterReverseSpiltForFutureIssuance" xlink:title="CommonStockReservedAfterReverseSpiltForFutureIssuance"/>
<link:label xlink:type="resource" xlink:label="cytr_CommonStockReservedAfterReverseSpiltForFutureIssuance_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_CommonStockReservedAfterReverseSpiltForFutureIssuance_lbl" xml:lang="en-US" id="cytr_CommonStockReservedAfterReverseSpiltForFutureIssuance_lbl"> Refers to the maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), after reverse split for awards under the equity-based compensation plan. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CommonStockReservedAfterReverseSpiltForFutureIssuance" xlink:to="cytr_CommonStockReservedAfterReverseSpiltForFutureIssuance_lbl" xlink:title="label: CommonStockReservedAfterReverseSpiltForFutureIssuance to cytr_CommonStockReservedAfterReverseSpiltForFutureIssuance_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_CommonStockReservedAfterReverseSpiltForFutureIssuance_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_CommonStockReservedAfterReverseSpiltForFutureIssuance_lbl1" xml:lang="en-US" id="cytr_CommonStockReservedAfterReverseSpiltForFutureIssuance_lbl1"> Common stock reserved after reverse spilt for future issuance </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CommonStockReservedAfterReverseSpiltForFutureIssuance" xlink:to="cytr_CommonStockReservedAfterReverseSpiltForFutureIssuance_lbl1" xlink:title="label: CommonStockReservedAfterReverseSpiltForFutureIssuance to cytr_CommonStockReservedAfterReverseSpiltForFutureIssuance_lbl1"/>
<link:label xlink:type="resource" xlink:label="cytr_CommonStockReservedAfterReverseSpiltForFutureIssuance_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="cytr_CommonStockReservedAfterReverseSpiltForFutureIssuance_lbl2" xml:lang="en-US" id="cytr_CommonStockReservedAfterReverseSpiltForFutureIssuance_lbl2"> Common stock reserved after reverse spilt for future issuance (in shares) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CommonStockReservedAfterReverseSpiltForFutureIssuance" xlink:to="cytr_CommonStockReservedAfterReverseSpiltForFutureIssuance_lbl2" xlink:title="label: CommonStockReservedAfterReverseSpiltForFutureIssuance to cytr_CommonStockReservedAfterReverseSpiltForFutureIssuance_lbl2"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpectedToVest" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpectedToVest" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpectedToVest"/>
<link:label xlink:type="resource" xlink:label="cytr_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpectedToVest_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpectedToVest_lbl" xml:lang="en-US" id="cytr_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpectedToVest_lbl"> As of the balance sheet date the number of shares expected to vest other than stock options outstanding can be converted under the option plan. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpectedToVest" xlink:to="cytr_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpectedToVest_lbl" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpectedToVest to cytr_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpectedToVest_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpectedToVest_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpectedToVest_lbl1" xml:lang="en-US" id="cytr_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpectedToVest_lbl1"> Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Expected To Vest </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpectedToVest" xlink:to="cytr_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpectedToVest_lbl1" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpectedToVest to cytr_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpectedToVest_lbl1"/>
<link:label xlink:type="resource" xlink:label="cytr_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpectedToVest_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="cytr_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpectedToVest_lbl2" xml:lang="en-US" id="cytr_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpectedToVest_lbl2"> Expected to vest (in shares) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpectedToVest" xlink:to="cytr_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpectedToVest_lbl2" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpectedToVest to cytr_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpectedToVest_lbl2"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_EstimatedAnnualizedForfeitureRate" xlink:label="EstimatedAnnualizedForfeitureRate" xlink:title="EstimatedAnnualizedForfeitureRate"/>
<link:label xlink:type="resource" xlink:label="cytr_EstimatedAnnualizedForfeitureRate_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_EstimatedAnnualizedForfeitureRate_lbl" xml:lang="en-US" id="cytr_EstimatedAnnualizedForfeitureRate_lbl"> The estimated an annualized forfeiture rate for options granted to employees. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EstimatedAnnualizedForfeitureRate" xlink:to="cytr_EstimatedAnnualizedForfeitureRate_lbl" xlink:title="label: EstimatedAnnualizedForfeitureRate to cytr_EstimatedAnnualizedForfeitureRate_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_EstimatedAnnualizedForfeitureRate_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_EstimatedAnnualizedForfeitureRate_lbl1" xml:lang="en-US" id="cytr_EstimatedAnnualizedForfeitureRate_lbl1"> Estimated annualized forfeiture rate </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EstimatedAnnualizedForfeitureRate" xlink:to="cytr_EstimatedAnnualizedForfeitureRate_lbl1" xlink:title="label: EstimatedAnnualizedForfeitureRate to cytr_EstimatedAnnualizedForfeitureRate_lbl1"/>
<link:label xlink:type="resource" xlink:label="cytr_EstimatedAnnualizedForfeitureRate_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="cytr_EstimatedAnnualizedForfeitureRate_lbl2" xml:lang="en-US" id="cytr_EstimatedAnnualizedForfeitureRate_lbl2"> Estimated annualized forfeiture rate (in hundredths) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EstimatedAnnualizedForfeitureRate" xlink:to="cytr_EstimatedAnnualizedForfeitureRate_lbl2" xlink:title="label: EstimatedAnnualizedForfeitureRate to cytr_EstimatedAnnualizedForfeitureRate_lbl2"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_ShareBasedCompensationOfUnvestedStockOptionsActivityAbstract" xlink:label="ShareBasedCompensationOfUnvestedStockOptionsActivityAbstract" xlink:title="ShareBasedCompensationOfUnvestedStockOptionsActivityAbstract"/>
<link:label xlink:type="resource" xlink:label="cytr_ShareBasedCompensationOfUnvestedStockOptionsActivityAbstract_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_ShareBasedCompensationOfUnvestedStockOptionsActivityAbstract_lbl1" xml:lang="en-US" id="cytr_ShareBasedCompensationOfUnvestedStockOptionsActivityAbstract_lbl1"> Share based compensation of unvested stock options activity [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationOfUnvestedStockOptionsActivityAbstract" xlink:to="cytr_ShareBasedCompensationOfUnvestedStockOptionsActivityAbstract_lbl1" xlink:title="label: ShareBasedCompensationOfUnvestedStockOptionsActivityAbstract to cytr_ShareBasedCompensationOfUnvestedStockOptionsActivityAbstract_lbl1"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_NumberOfUnvestedStockOptionsAbstract" xlink:label="NumberOfUnvestedStockOptionsAbstract" xlink:title="NumberOfUnvestedStockOptionsAbstract"/>
<link:label xlink:type="resource" xlink:label="cytr_NumberOfUnvestedStockOptionsAbstract_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_NumberOfUnvestedStockOptionsAbstract_lbl1" xml:lang="en-US" id="cytr_NumberOfUnvestedStockOptionsAbstract_lbl1"> Number of unvested stock options [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfUnvestedStockOptionsAbstract" xlink:to="cytr_NumberOfUnvestedStockOptionsAbstract_lbl1" xlink:title="label: NumberOfUnvestedStockOptionsAbstract to cytr_NumberOfUnvestedStockOptionsAbstract_lbl1"/>
<link:label xlink:type="resource" xlink:label="cytr_NumberOfUnvestedStockOptionsAbstract_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="cytr_NumberOfUnvestedStockOptionsAbstract_lbl2" xml:lang="en-US" id="cytr_NumberOfUnvestedStockOptionsAbstract_lbl2"> Number of Unvested Stock Options (Employees and Non-Employees) [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfUnvestedStockOptionsAbstract" xlink:to="cytr_NumberOfUnvestedStockOptionsAbstract_lbl2" xlink:title="label: NumberOfUnvestedStockOptionsAbstract to cytr_NumberOfUnvestedStockOptionsAbstract_lbl2"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_WeightedAverageGrantDateFairValuePerShareAbstract" xlink:label="WeightedAverageGrantDateFairValuePerShareAbstract" xlink:title="WeightedAverageGrantDateFairValuePerShareAbstract"/>
<link:label xlink:type="resource" xlink:label="cytr_WeightedAverageGrantDateFairValuePerShareAbstract_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_WeightedAverageGrantDateFairValuePerShareAbstract_lbl1" xml:lang="en-US" id="cytr_WeightedAverageGrantDateFairValuePerShareAbstract_lbl1"> Weighted average grant date fair value per share [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="WeightedAverageGrantDateFairValuePerShareAbstract" xlink:to="cytr_WeightedAverageGrantDateFairValuePerShareAbstract_lbl1" xlink:title="label: WeightedAverageGrantDateFairValuePerShareAbstract to cytr_WeightedAverageGrantDateFairValuePerShareAbstract_lbl1"/>
<link:label xlink:type="resource" xlink:label="cytr_WeightedAverageGrantDateFairValuePerShareAbstract_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="cytr_WeightedAverageGrantDateFairValuePerShareAbstract_lbl2" xml:lang="en-US" id="cytr_WeightedAverageGrantDateFairValuePerShareAbstract_lbl2"> Weighted-Average Grant Date Fair Value per Share [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="WeightedAverageGrantDateFairValuePerShareAbstract" xlink:to="cytr_WeightedAverageGrantDateFairValuePerShareAbstract_lbl2" xlink:title="label: WeightedAverageGrantDateFairValuePerShareAbstract to cytr_WeightedAverageGrantDateFairValuePerShareAbstract_lbl2"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_ShareBasedCompensationStockOptionsActivityAbstract" xlink:label="ShareBasedCompensationStockOptionsActivityAbstract" xlink:title="ShareBasedCompensationStockOptionsActivityAbstract"/>
<link:label xlink:type="resource" xlink:label="cytr_ShareBasedCompensationStockOptionsActivityAbstract_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_ShareBasedCompensationStockOptionsActivityAbstract_lbl1" xml:lang="en-US" id="cytr_ShareBasedCompensationStockOptionsActivityAbstract_lbl1"> Share based compensation stock options activity [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationStockOptionsActivityAbstract" xlink:to="cytr_ShareBasedCompensationStockOptionsActivityAbstract_lbl1" xlink:title="label: ShareBasedCompensationStockOptionsActivityAbstract to cytr_ShareBasedCompensationStockOptionsActivityAbstract_lbl1"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_ValueOfRestrictedSharesIssued" xlink:label="ValueOfRestrictedSharesIssued" xlink:title="ValueOfRestrictedSharesIssued"/>
<link:label xlink:type="resource" xlink:label="cytr_ValueOfRestrictedSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_ValueOfRestrictedSharesIssued_lbl" xml:lang="en-US" id="cytr_ValueOfRestrictedSharesIssued_lbl"> Value of restricted share issued. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ValueOfRestrictedSharesIssued" xlink:to="cytr_ValueOfRestrictedSharesIssued_lbl" xlink:title="label: ValueOfRestrictedSharesIssued to cytr_ValueOfRestrictedSharesIssued_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_ValueOfRestrictedSharesIssued_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_ValueOfRestrictedSharesIssued_lbl1" xml:lang="en-US" id="cytr_ValueOfRestrictedSharesIssued_lbl1"> Value of Restricted Shares Issued </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ValueOfRestrictedSharesIssued" xlink:to="cytr_ValueOfRestrictedSharesIssued_lbl1" xlink:title="label: ValueOfRestrictedSharesIssued to cytr_ValueOfRestrictedSharesIssued_lbl1"/>
<link:label xlink:type="resource" xlink:label="cytr_ValueOfRestrictedSharesIssued_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="cytr_ValueOfRestrictedSharesIssued_lbl2" xml:lang="en-US" id="cytr_ValueOfRestrictedSharesIssued_lbl2"> Value of restricted shares issued </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ValueOfRestrictedSharesIssued" xlink:to="cytr_ValueOfRestrictedSharesIssued_lbl2" xlink:title="label: ValueOfRestrictedSharesIssued to cytr_ValueOfRestrictedSharesIssued_lbl2"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_NumberOfOptionsAbstract" xlink:label="NumberOfOptionsAbstract" xlink:title="NumberOfOptionsAbstract"/>
<link:label xlink:type="resource" xlink:label="cytr_NumberOfOptionsAbstract_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_NumberOfOptionsAbstract_lbl1" xml:lang="en-US" id="cytr_NumberOfOptionsAbstract_lbl1"> Number of options [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfOptionsAbstract" xlink:to="cytr_NumberOfOptionsAbstract_lbl1" xlink:title="label: NumberOfOptionsAbstract to cytr_NumberOfOptionsAbstract_lbl1"/>
<link:label xlink:type="resource" xlink:label="cytr_NumberOfOptionsAbstract_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="cytr_NumberOfOptionsAbstract_lbl2" xml:lang="en-US" id="cytr_NumberOfOptionsAbstract_lbl2"> Number of Options (Employees and Non-Employees) [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfOptionsAbstract" xlink:to="cytr_NumberOfOptionsAbstract_lbl2" xlink:title="label: NumberOfOptionsAbstract to cytr_NumberOfOptionsAbstract_lbl2"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedInPeriodIntrinsicValue" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedInPeriodIntrinsicValue" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedInPeriodIntrinsicValue"/>
<link:label xlink:type="resource" xlink:label="cytr_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedInPeriodIntrinsicValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedInPeriodIntrinsicValue_lbl" xml:lang="en-US" id="cytr_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedInPeriodIntrinsicValue_lbl"> Intrinsic value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedInPeriodIntrinsicValue" xlink:to="cytr_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedInPeriodIntrinsicValue_lbl" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedInPeriodIntrinsicValue to cytr_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedInPeriodIntrinsicValue_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedInPeriodIntrinsicValue_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedInPeriodIntrinsicValue_lbl1" xml:lang="en-US" id="cytr_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedInPeriodIntrinsicValue_lbl1"> Share based Compensation Arrangement by Share based Payment Award, Options, Vested in Period, Intrinsic Value </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedInPeriodIntrinsicValue" xlink:to="cytr_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedInPeriodIntrinsicValue_lbl1" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedInPeriodIntrinsicValue to cytr_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedInPeriodIntrinsicValue_lbl1"/>
<link:label xlink:type="resource" xlink:label="cytr_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedInPeriodIntrinsicValue_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="cytr_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedInPeriodIntrinsicValue_lbl2" xml:lang="en-US" id="cytr_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedInPeriodIntrinsicValue_lbl2"> Aggregate intrinsic value of options vested </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedInPeriodIntrinsicValue" xlink:to="cytr_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedInPeriodIntrinsicValue_lbl2" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedInPeriodIntrinsicValue to cytr_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedInPeriodIntrinsicValue_lbl2"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_RangeOneMember" xlink:label="RangeOneMember" xlink:title="RangeOneMember"/>
<link:label xlink:type="resource" xlink:label="cytr_RangeOneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_RangeOneMember_lbl" xml:lang="en-US" id="cytr_RangeOneMember_lbl"> Type of estimate of range of exercise prices, one including, but not limited to, upper and lower bound amounts, maximum and minimum amounts, and point estimates. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RangeOneMember" xlink:to="cytr_RangeOneMember_lbl" xlink:title="label: RangeOneMember to cytr_RangeOneMember_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_RangeOneMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_RangeOneMember_lbl1" xml:lang="en-US" id="cytr_RangeOneMember_lbl1"> Range One [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RangeOneMember" xlink:to="cytr_RangeOneMember_lbl1" xlink:title="label: RangeOneMember to cytr_RangeOneMember_lbl1"/>
<link:label xlink:type="resource" xlink:label="cytr_RangeOneMember_lbl2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="cytr_RangeOneMember_lbl2" xml:lang="en-US" id="cytr_RangeOneMember_lbl2"> Range $ 1.83 - 2.50 [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RangeOneMember" xlink:to="cytr_RangeOneMember_lbl2" xlink:title="label: RangeOneMember to cytr_RangeOneMember_lbl2"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_RangeFiveMember" xlink:label="RangeFiveMember" xlink:title="RangeFiveMember"/>
<link:label xlink:type="resource" xlink:label="cytr_RangeFiveMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_RangeFiveMember_lbl" xml:lang="en-US" id="cytr_RangeFiveMember_lbl"> Type of estimate of range of exercise prices, one including, but not limited to, upper and lower bound amounts, maximum and minimum amounts, and point estimates. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RangeFiveMember" xlink:to="cytr_RangeFiveMember_lbl" xlink:title="label: RangeFiveMember to cytr_RangeFiveMember_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_RangeFiveMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_RangeFiveMember_lbl1" xml:lang="en-US" id="cytr_RangeFiveMember_lbl1"> Range Five [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RangeFiveMember" xlink:to="cytr_RangeFiveMember_lbl1" xlink:title="label: RangeFiveMember to cytr_RangeFiveMember_lbl1"/>
<link:label xlink:type="resource" xlink:label="cytr_RangeFiveMember_lbl2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="cytr_RangeFiveMember_lbl2" xml:lang="en-US" id="cytr_RangeFiveMember_lbl2"> Range $ 1.82 - 2.50 [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RangeFiveMember" xlink:to="cytr_RangeFiveMember_lbl2" xlink:title="label: RangeFiveMember to cytr_RangeFiveMember_lbl2"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_RangeEightMember" xlink:label="RangeEightMember" xlink:title="RangeEightMember"/>
<link:label xlink:type="resource" xlink:label="cytr_RangeEightMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_RangeEightMember_lbl" xml:lang="en-US" id="cytr_RangeEightMember_lbl"> Type of estimate of range of exercise prices, one including, but not limited to, upper and lower bound amounts, maximum and minimum amounts, and point estimates. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RangeEightMember" xlink:to="cytr_RangeEightMember_lbl" xlink:title="label: RangeEightMember to cytr_RangeEightMember_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_RangeEightMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_RangeEightMember_lbl1" xml:lang="en-US" id="cytr_RangeEightMember_lbl1"> Range Eight [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RangeEightMember" xlink:to="cytr_RangeEightMember_lbl1" xlink:title="label: RangeEightMember to cytr_RangeEightMember_lbl1"/>
<link:label xlink:type="resource" xlink:label="cytr_RangeEightMember_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="cytr_RangeEightMember_lbl2" xml:lang="en-US" id="cytr_RangeEightMember_lbl2"> Range $ 11.51 - 24.50 [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RangeEightMember" xlink:to="cytr_RangeEightMember_lbl2" xlink:title="label: RangeEightMember to cytr_RangeEightMember_lbl2"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_RangeSixMember" xlink:label="RangeSixMember" xlink:title="RangeSixMember"/>
<link:label xlink:type="resource" xlink:label="cytr_RangeSixMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_RangeSixMember_lbl" xml:lang="en-US" id="cytr_RangeSixMember_lbl"> Type of estimate of range of exercise prices, one including, but not limited to, upper and lower bound amounts, maximum and minimum amounts, and point estimates. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RangeSixMember" xlink:to="cytr_RangeSixMember_lbl" xlink:title="label: RangeSixMember to cytr_RangeSixMember_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_RangeSixMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_RangeSixMember_lbl1" xml:lang="en-US" id="cytr_RangeSixMember_lbl1"> Range Six [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RangeSixMember" xlink:to="cytr_RangeSixMember_lbl1" xlink:title="label: RangeSixMember to cytr_RangeSixMember_lbl1"/>
<link:label xlink:type="resource" xlink:label="cytr_RangeSixMember_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="cytr_RangeSixMember_lbl2" xml:lang="en-US" id="cytr_RangeSixMember_lbl2"> Range $ 2.51 - 5.50 [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RangeSixMember" xlink:to="cytr_RangeSixMember_lbl2" xlink:title="label: RangeSixMember to cytr_RangeSixMember_lbl2"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_ShareBasedCompensationSharesAuthorizedUnderSignificantRangesOfOutstandingStockOptionPlansInPeriodAbstract" xlink:label="ShareBasedCompensationSharesAuthorizedUnderSignificantRangesOfOutstandingStockOptionPlansInPeriodAbstract" xlink:title="ShareBasedCompensationSharesAuthorizedUnderSignificantRangesOfOutstandingStockOptionPlansInPeriodAbstract"/>
<link:label xlink:type="resource" xlink:label="cytr_ShareBasedCompensationSharesAuthorizedUnderSignificantRangesOfOutstandingStockOptionPlansInPeriodAbstract_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_ShareBasedCompensationSharesAuthorizedUnderSignificantRangesOfOutstandingStockOptionPlansInPeriodAbstract_lbl1" xml:lang="en-US" id="cytr_ShareBasedCompensationSharesAuthorizedUnderSignificantRangesOfOutstandingStockOptionPlansInPeriodAbstract_lbl1"> Share based compensation, shares authorized under significant ranges of outstanding stock option plans in period [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationSharesAuthorizedUnderSignificantRangesOfOutstandingStockOptionPlansInPeriodAbstract" xlink:to="cytr_ShareBasedCompensationSharesAuthorizedUnderSignificantRangesOfOutstandingStockOptionPlansInPeriodAbstract_lbl1" xlink:title="label: ShareBasedCompensationSharesAuthorizedUnderSignificantRangesOfOutstandingStockOptionPlansInPeriodAbstract to cytr_ShareBasedCompensationSharesAuthorizedUnderSignificantRangesOfOutstandingStockOptionPlansInPeriodAbstract_lbl1"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_RangeTwoMember" xlink:label="RangeTwoMember" xlink:title="RangeTwoMember"/>
<link:label xlink:type="resource" xlink:label="cytr_RangeTwoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_RangeTwoMember_lbl" xml:lang="en-US" id="cytr_RangeTwoMember_lbl"> Type of estimate of range of exercise prices, one including, but not limited to, upper and lower bound amounts, maximum and minimum amounts, and point estimates. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RangeTwoMember" xlink:to="cytr_RangeTwoMember_lbl" xlink:title="label: RangeTwoMember to cytr_RangeTwoMember_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_RangeTwoMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_RangeTwoMember_lbl1" xml:lang="en-US" id="cytr_RangeTwoMember_lbl1"> Range Two [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RangeTwoMember" xlink:to="cytr_RangeTwoMember_lbl1" xlink:title="label: RangeTwoMember to cytr_RangeTwoMember_lbl1"/>
<link:label xlink:type="resource" xlink:label="cytr_RangeTwoMember_lbl2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="cytr_RangeTwoMember_lbl2" xml:lang="en-US" id="cytr_RangeTwoMember_lbl2"> Range $ 2.51 - 3.50 [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RangeTwoMember" xlink:to="cytr_RangeTwoMember_lbl2" xlink:title="label: RangeTwoMember to cytr_RangeTwoMember_lbl2"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_RangeSevenMember" xlink:label="RangeSevenMember" xlink:title="RangeSevenMember"/>
<link:label xlink:type="resource" xlink:label="cytr_RangeSevenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_RangeSevenMember_lbl" xml:lang="en-US" id="cytr_RangeSevenMember_lbl"> Type of estimate of range of exercise prices, one including, but not limited to, upper and lower bound amounts, maximum and minimum amounts, and point estimates. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RangeSevenMember" xlink:to="cytr_RangeSevenMember_lbl" xlink:title="label: RangeSevenMember to cytr_RangeSevenMember_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_RangeSevenMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_RangeSevenMember_lbl1" xml:lang="en-US" id="cytr_RangeSevenMember_lbl1"> Range Seven [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RangeSevenMember" xlink:to="cytr_RangeSevenMember_lbl1" xlink:title="label: RangeSevenMember to cytr_RangeSevenMember_lbl1"/>
<link:label xlink:type="resource" xlink:label="cytr_RangeSevenMember_lbl2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="cytr_RangeSevenMember_lbl2" xml:lang="en-US" id="cytr_RangeSevenMember_lbl2"> Range $ 5.51 - 11.50 [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RangeSevenMember" xlink:to="cytr_RangeSevenMember_lbl2" xlink:title="label: RangeSevenMember to cytr_RangeSevenMember_lbl2"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_RangeThreeMember" xlink:label="RangeThreeMember" xlink:title="RangeThreeMember"/>
<link:label xlink:type="resource" xlink:label="cytr_RangeThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_RangeThreeMember_lbl" xml:lang="en-US" id="cytr_RangeThreeMember_lbl"> Type of estimate of range of exercise prices, one including, but not limited to, upper and lower bound amounts, maximum and minimum amounts, and point estimates. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RangeThreeMember" xlink:to="cytr_RangeThreeMember_lbl" xlink:title="label: RangeThreeMember to cytr_RangeThreeMember_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_RangeThreeMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_RangeThreeMember_lbl1" xml:lang="en-US" id="cytr_RangeThreeMember_lbl1"> Range Three [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RangeThreeMember" xlink:to="cytr_RangeThreeMember_lbl1" xlink:title="label: RangeThreeMember to cytr_RangeThreeMember_lbl1"/>
<link:label xlink:type="resource" xlink:label="cytr_RangeThreeMember_lbl2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="cytr_RangeThreeMember_lbl2" xml:lang="en-US" id="cytr_RangeThreeMember_lbl2"> Range $ 3.51 - 8.00 [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RangeThreeMember" xlink:to="cytr_RangeThreeMember_lbl2" xlink:title="label: RangeThreeMember to cytr_RangeThreeMember_lbl2"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_RangeFourMember" xlink:label="RangeFourMember" xlink:title="RangeFourMember"/>
<link:label xlink:type="resource" xlink:label="cytr_RangeFourMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_RangeFourMember_lbl" xml:lang="en-US" id="cytr_RangeFourMember_lbl"> Type of estimate of range of exercise prices, one including, but not limited to, upper and lower bound amounts, maximum and minimum amounts, and point estimates. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RangeFourMember" xlink:to="cytr_RangeFourMember_lbl" xlink:title="label: RangeFourMember to cytr_RangeFourMember_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_RangeFourMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_RangeFourMember_lbl1" xml:lang="en-US" id="cytr_RangeFourMember_lbl1"> Range Four [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RangeFourMember" xlink:to="cytr_RangeFourMember_lbl1" xlink:title="label: RangeFourMember to cytr_RangeFourMember_lbl1"/>
<link:label xlink:type="resource" xlink:label="cytr_RangeFourMember_lbl2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="cytr_RangeFourMember_lbl2" xml:lang="en-US" id="cytr_RangeFourMember_lbl2"> Range $ 8.01 - 32.55 [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RangeFourMember" xlink:to="cytr_RangeFourMember_lbl2" xlink:title="label: RangeFourMember to cytr_RangeFourMember_lbl2"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_NonEmployeesMember" xlink:label="NonEmployeesMember" xlink:title="NonEmployeesMember"/>
<link:label xlink:type="resource" xlink:label="cytr_NonEmployeesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_NonEmployeesMember_lbl" xml:lang="en-US" id="cytr_NonEmployeesMember_lbl"> An arrangement whereby an non-employees stock-based compensation expense is classified. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NonEmployeesMember" xlink:to="cytr_NonEmployeesMember_lbl" xlink:title="label: NonEmployeesMember to cytr_NonEmployeesMember_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_NonEmployeesMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_NonEmployeesMember_lbl1" xml:lang="en-US" id="cytr_NonEmployeesMember_lbl1"> Non employees [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NonEmployeesMember" xlink:to="cytr_NonEmployeesMember_lbl1" xlink:title="label: NonEmployeesMember to cytr_NonEmployeesMember_lbl1"/>
<link:label xlink:type="resource" xlink:label="cytr_NonEmployeesMember_lbl2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="cytr_NonEmployeesMember_lbl2" xml:lang="en-US" id="cytr_NonEmployeesMember_lbl2"> Non-employees [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NonEmployeesMember" xlink:to="cytr_NonEmployeesMember_lbl2" xlink:title="label: NonEmployeesMember to cytr_NonEmployeesMember_lbl2"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_CommonStockSharePurchaseMaximum" xlink:label="CommonStockSharePurchaseMaximum" xlink:title="CommonStockSharePurchaseMaximum"/>
<link:label xlink:type="resource" xlink:label="cytr_CommonStockSharePurchaseMaximum_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_CommonStockSharePurchaseMaximum_lbl" xml:lang="en-US" id="cytr_CommonStockSharePurchaseMaximum_lbl"> Purchase of maximum number of Common stock. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CommonStockSharePurchaseMaximum" xlink:to="cytr_CommonStockSharePurchaseMaximum_lbl" xlink:title="label: CommonStockSharePurchaseMaximum to cytr_CommonStockSharePurchaseMaximum_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_CommonStockSharePurchaseMaximum_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_CommonStockSharePurchaseMaximum_lbl1" xml:lang="en-US" id="cytr_CommonStockSharePurchaseMaximum_lbl1"> Common stock, share purchase, maximum </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CommonStockSharePurchaseMaximum" xlink:to="cytr_CommonStockSharePurchaseMaximum_lbl1" xlink:title="label: CommonStockSharePurchaseMaximum to cytr_CommonStockSharePurchaseMaximum_lbl1"/>
<link:label xlink:type="resource" xlink:label="cytr_CommonStockSharePurchaseMaximum_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="cytr_CommonStockSharePurchaseMaximum_lbl2" xml:lang="en-US" id="cytr_CommonStockSharePurchaseMaximum_lbl2"> Common stock additional share purchase (in shares) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CommonStockSharePurchaseMaximum" xlink:to="cytr_CommonStockSharePurchaseMaximum_lbl2" xlink:title="label: CommonStockSharePurchaseMaximum to cytr_CommonStockSharePurchaseMaximum_lbl2"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_WarrantsPerValue" xlink:label="WarrantsPerValue" xlink:title="WarrantsPerValue"/>
<link:label xlink:type="resource" xlink:label="cytr_WarrantsPerValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_WarrantsPerValue_lbl" xml:lang="en-US" id="cytr_WarrantsPerValue_lbl"> Refers to value of warrants per share for underwritten public offering. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="WarrantsPerValue" xlink:to="cytr_WarrantsPerValue_lbl" xlink:title="label: WarrantsPerValue to cytr_WarrantsPerValue_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_WarrantsPerValue_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_WarrantsPerValue_lbl1" xml:lang="en-US" id="cytr_WarrantsPerValue_lbl1"> Warrants per value </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="WarrantsPerValue" xlink:to="cytr_WarrantsPerValue_lbl1" xlink:title="label: WarrantsPerValue to cytr_WarrantsPerValue_lbl1"/>
<link:label xlink:type="resource" xlink:label="cytr_WarrantsPerValue_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="cytr_WarrantsPerValue_lbl2" xml:lang="en-US" id="cytr_WarrantsPerValue_lbl2"> Warrants per share value (in dollars per share) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="WarrantsPerValue" xlink:to="cytr_WarrantsPerValue_lbl2" xlink:title="label: WarrantsPerValue to cytr_WarrantsPerValue_lbl2"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_TaxCreditCarryforwardAmountAmt" xlink:label="TaxCreditCarryforwardAmountAmt" xlink:title="TaxCreditCarryforwardAmountAmt"/>
<link:label xlink:type="resource" xlink:label="cytr_TaxCreditCarryforwardAmountAmt_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_TaxCreditCarryforwardAmountAmt_lbl" xml:lang="en-US" id="cytr_TaxCreditCarryforwardAmountAmt_lbl"> The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TaxCreditCarryforwardAmountAmt" xlink:to="cytr_TaxCreditCarryforwardAmountAmt_lbl" xlink:title="label: TaxCreditCarryforwardAmountAmt to cytr_TaxCreditCarryforwardAmountAmt_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_TaxCreditCarryforwardAmountAmt_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_TaxCreditCarryforwardAmountAmt_lbl1" xml:lang="en-US" id="cytr_TaxCreditCarryforwardAmountAmt_lbl1"> Tax Credit Carryforward, Amount, AMT </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TaxCreditCarryforwardAmountAmt" xlink:to="cytr_TaxCreditCarryforwardAmountAmt_lbl1" xlink:title="label: TaxCreditCarryforwardAmountAmt to cytr_TaxCreditCarryforwardAmountAmt_lbl1"/>
<link:label xlink:type="resource" xlink:label="cytr_TaxCreditCarryforwardAmountAmt_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="cytr_TaxCreditCarryforwardAmountAmt_lbl2" xml:lang="en-US" id="cytr_TaxCreditCarryforwardAmountAmt_lbl2"> Tax credit carryforwards related to alternative minimum tax </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TaxCreditCarryforwardAmountAmt" xlink:to="cytr_TaxCreditCarryforwardAmountAmt_lbl2" xlink:title="label: TaxCreditCarryforwardAmountAmt to cytr_TaxCreditCarryforwardAmountAmt_lbl2"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_PercentageOfDeferredTaxAssetsValuationAllowanceRecordedAgainstAssets" xlink:label="PercentageOfDeferredTaxAssetsValuationAllowanceRecordedAgainstAssets" xlink:title="PercentageOfDeferredTaxAssetsValuationAllowanceRecordedAgainstAssets"/>
<link:label xlink:type="resource" xlink:label="cytr_PercentageOfDeferredTaxAssetsValuationAllowanceRecordedAgainstAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_PercentageOfDeferredTaxAssetsValuationAllowanceRecordedAgainstAssets_lbl" xml:lang="en-US" id="cytr_PercentageOfDeferredTaxAssetsValuationAllowanceRecordedAgainstAssets_lbl"> This line item represents the percentage of deferred tax assets valuation allowance which is recorded against assets. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PercentageOfDeferredTaxAssetsValuationAllowanceRecordedAgainstAssets" xlink:to="cytr_PercentageOfDeferredTaxAssetsValuationAllowanceRecordedAgainstAssets_lbl" xlink:title="label: PercentageOfDeferredTaxAssetsValuationAllowanceRecordedAgainstAssets to cytr_PercentageOfDeferredTaxAssetsValuationAllowanceRecordedAgainstAssets_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_PercentageOfDeferredTaxAssetsValuationAllowanceRecordedAgainstAssets_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_PercentageOfDeferredTaxAssetsValuationAllowanceRecordedAgainstAssets_lbl1" xml:lang="en-US" id="cytr_PercentageOfDeferredTaxAssetsValuationAllowanceRecordedAgainstAssets_lbl1"> Percentage of deferred tax assets valuation allowance recorded against assets </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PercentageOfDeferredTaxAssetsValuationAllowanceRecordedAgainstAssets" xlink:to="cytr_PercentageOfDeferredTaxAssetsValuationAllowanceRecordedAgainstAssets_lbl1" xlink:title="label: PercentageOfDeferredTaxAssetsValuationAllowanceRecordedAgainstAssets to cytr_PercentageOfDeferredTaxAssetsValuationAllowanceRecordedAgainstAssets_lbl1"/>
<link:label xlink:type="resource" xlink:label="cytr_PercentageOfDeferredTaxAssetsValuationAllowanceRecordedAgainstAssets_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="cytr_PercentageOfDeferredTaxAssetsValuationAllowanceRecordedAgainstAssets_lbl2" xml:lang="en-US" id="cytr_PercentageOfDeferredTaxAssetsValuationAllowanceRecordedAgainstAssets_lbl2"> Deferred tax valuation allowance has been recorded against these assets (in hundredths) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PercentageOfDeferredTaxAssetsValuationAllowanceRecordedAgainstAssets" xlink:to="cytr_PercentageOfDeferredTaxAssetsValuationAllowanceRecordedAgainstAssets_lbl2" xlink:title="label: PercentageOfDeferredTaxAssetsValuationAllowanceRecordedAgainstAssets to cytr_PercentageOfDeferredTaxAssetsValuationAllowanceRecordedAgainstAssets_lbl2"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_PercentageOfMarketValue" xlink:label="PercentageOfMarketValue" xlink:title="PercentageOfMarketValue"/>
<link:label xlink:type="resource" xlink:label="cytr_PercentageOfMarketValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_PercentageOfMarketValue_lbl" xml:lang="en-US" id="cytr_PercentageOfMarketValue_lbl"> Percentage of the market value as a result of an ownership change that prompt the NOL carryforward limitations as specified by IRS. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PercentageOfMarketValue" xlink:to="cytr_PercentageOfMarketValue_lbl" xlink:title="label: PercentageOfMarketValue to cytr_PercentageOfMarketValue_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_PercentageOfMarketValue_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_PercentageOfMarketValue_lbl1" xml:lang="en-US" id="cytr_PercentageOfMarketValue_lbl1"> Percentage of the market value </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PercentageOfMarketValue" xlink:to="cytr_PercentageOfMarketValue_lbl1" xlink:title="label: PercentageOfMarketValue to cytr_PercentageOfMarketValue_lbl1"/>
<link:label xlink:type="resource" xlink:label="cytr_PercentageOfMarketValue_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="cytr_PercentageOfMarketValue_lbl2" xml:lang="en-US" id="cytr_PercentageOfMarketValue_lbl2"> Percentage points of the market value, minimum (in hundredths) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PercentageOfMarketValue" xlink:to="cytr_PercentageOfMarketValue_lbl2" xlink:title="label: PercentageOfMarketValue to cytr_PercentageOfMarketValue_lbl2"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_OperatingLossCarryforwardsAnnually" xlink:label="OperatingLossCarryforwardsAnnually" xlink:title="OperatingLossCarryforwardsAnnually"/>
<link:label xlink:type="resource" xlink:label="cytr_OperatingLossCarryforwardsAnnually_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_OperatingLossCarryforwardsAnnually_lbl" xml:lang="en-US" id="cytr_OperatingLossCarryforwardsAnnually_lbl"> The amount of operating loss carryforward available per year in the future. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingLossCarryforwardsAnnually" xlink:to="cytr_OperatingLossCarryforwardsAnnually_lbl" xlink:title="label: OperatingLossCarryforwardsAnnually to cytr_OperatingLossCarryforwardsAnnually_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_OperatingLossCarryforwardsAnnually_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_OperatingLossCarryforwardsAnnually_lbl1" xml:lang="en-US" id="cytr_OperatingLossCarryforwardsAnnually_lbl1"> Operating loss carryforwards Annually </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingLossCarryforwardsAnnually" xlink:to="cytr_OperatingLossCarryforwardsAnnually_lbl1" xlink:title="label: OperatingLossCarryforwardsAnnually to cytr_OperatingLossCarryforwardsAnnually_lbl1"/>
<link:label xlink:type="resource" xlink:label="cytr_OperatingLossCarryforwardsAnnually_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="cytr_OperatingLossCarryforwardsAnnually_lbl2" xml:lang="en-US" id="cytr_OperatingLossCarryforwardsAnnually_lbl2"> Operating loss carryforwards annually </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingLossCarryforwardsAnnually" xlink:to="cytr_OperatingLossCarryforwardsAnnually_lbl2" xlink:title="label: OperatingLossCarryforwardsAnnually to cytr_OperatingLossCarryforwardsAnnually_lbl2"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_OperatingLossCarryforwardsRestricted" xlink:label="OperatingLossCarryforwardsRestricted" xlink:title="OperatingLossCarryforwardsRestricted"/>
<link:label xlink:type="resource" xlink:label="cytr_OperatingLossCarryforwardsRestricted_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_OperatingLossCarryforwardsRestricted_lbl" xml:lang="en-US" id="cytr_OperatingLossCarryforwardsRestricted_lbl"> This line item represents the amount of operating loss carryforwards available to reduce future taxable income, on which there are certain limitations on its use. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingLossCarryforwardsRestricted" xlink:to="cytr_OperatingLossCarryforwardsRestricted_lbl" xlink:title="label: OperatingLossCarryforwardsRestricted to cytr_OperatingLossCarryforwardsRestricted_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_OperatingLossCarryforwardsRestricted_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_OperatingLossCarryforwardsRestricted_lbl1" xml:lang="en-US" id="cytr_OperatingLossCarryforwardsRestricted_lbl1"> Operating loss carryforwards restricted </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingLossCarryforwardsRestricted" xlink:to="cytr_OperatingLossCarryforwardsRestricted_lbl1" xlink:title="label: OperatingLossCarryforwardsRestricted to cytr_OperatingLossCarryforwardsRestricted_lbl1"/>
<link:label xlink:type="resource" xlink:label="cytr_OperatingLossCarryforwardsRestricted_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="cytr_OperatingLossCarryforwardsRestricted_lbl2" xml:lang="en-US" id="cytr_OperatingLossCarryforwardsRestricted_lbl2"> Operating loss carryforwards, restricted </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingLossCarryforwardsRestricted" xlink:to="cytr_OperatingLossCarryforwardsRestricted_lbl2" xlink:title="label: OperatingLossCarryforwardsRestricted to cytr_OperatingLossCarryforwardsRestricted_lbl2"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_TaxCreditCarryforwardAmountResearchAndDevelopment" xlink:label="TaxCreditCarryforwardAmountResearchAndDevelopment" xlink:title="TaxCreditCarryforwardAmountResearchAndDevelopment"/>
<link:label xlink:type="resource" xlink:label="cytr_TaxCreditCarryforwardAmountResearchAndDevelopment_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_TaxCreditCarryforwardAmountResearchAndDevelopment_lbl" xml:lang="en-US" id="cytr_TaxCreditCarryforwardAmountResearchAndDevelopment_lbl"> The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TaxCreditCarryforwardAmountResearchAndDevelopment" xlink:to="cytr_TaxCreditCarryforwardAmountResearchAndDevelopment_lbl" xlink:title="label: TaxCreditCarryforwardAmountResearchAndDevelopment to cytr_TaxCreditCarryforwardAmountResearchAndDevelopment_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_TaxCreditCarryforwardAmountResearchAndDevelopment_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_TaxCreditCarryforwardAmountResearchAndDevelopment_lbl1" xml:lang="en-US" id="cytr_TaxCreditCarryforwardAmountResearchAndDevelopment_lbl1"> Tax Credit Carryforward, Amount, Research and Development </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TaxCreditCarryforwardAmountResearchAndDevelopment" xlink:to="cytr_TaxCreditCarryforwardAmountResearchAndDevelopment_lbl1" xlink:title="label: TaxCreditCarryforwardAmountResearchAndDevelopment to cytr_TaxCreditCarryforwardAmountResearchAndDevelopment_lbl1"/>
<link:label xlink:type="resource" xlink:label="cytr_TaxCreditCarryforwardAmountResearchAndDevelopment_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="cytr_TaxCreditCarryforwardAmountResearchAndDevelopment_lbl2" xml:lang="en-US" id="cytr_TaxCreditCarryforwardAmountResearchAndDevelopment_lbl2"> Tax credit carryforward related to research and development </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TaxCreditCarryforwardAmountResearchAndDevelopment" xlink:to="cytr_TaxCreditCarryforwardAmountResearchAndDevelopment_lbl2" xlink:title="label: TaxCreditCarryforwardAmountResearchAndDevelopment to cytr_TaxCreditCarryforwardAmountResearchAndDevelopment_lbl2"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_PeriodOfTimeForNetOperatingLossLimitationsAfterOwnershipChange" xlink:label="PeriodOfTimeForNetOperatingLossLimitationsAfterOwnershipChange" xlink:title="PeriodOfTimeForNetOperatingLossLimitationsAfterOwnershipChange"/>
<link:label xlink:type="resource" xlink:label="cytr_PeriodOfTimeForNetOperatingLossLimitationsAfterOwnershipChange_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_PeriodOfTimeForNetOperatingLossLimitationsAfterOwnershipChange_lbl" xml:lang="en-US" id="cytr_PeriodOfTimeForNetOperatingLossLimitationsAfterOwnershipChange_lbl"> Refers to the period of time with limitations on the use of net operating loss if company undergoes an ownership change of more than 50 percentage points of the market value by certain stockholders or public groups. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PeriodOfTimeForNetOperatingLossLimitationsAfterOwnershipChange" xlink:to="cytr_PeriodOfTimeForNetOperatingLossLimitationsAfterOwnershipChange_lbl" xlink:title="label: PeriodOfTimeForNetOperatingLossLimitationsAfterOwnershipChange to cytr_PeriodOfTimeForNetOperatingLossLimitationsAfterOwnershipChange_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_PeriodOfTimeForNetOperatingLossLimitationsAfterOwnershipChange_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_PeriodOfTimeForNetOperatingLossLimitationsAfterOwnershipChange_lbl1" xml:lang="en-US" id="cytr_PeriodOfTimeForNetOperatingLossLimitationsAfterOwnershipChange_lbl1"> Period of time for net operating loss limitations after ownership change </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PeriodOfTimeForNetOperatingLossLimitationsAfterOwnershipChange" xlink:to="cytr_PeriodOfTimeForNetOperatingLossLimitationsAfterOwnershipChange_lbl1" xlink:title="label: PeriodOfTimeForNetOperatingLossLimitationsAfterOwnershipChange to cytr_PeriodOfTimeForNetOperatingLossLimitationsAfterOwnershipChange_lbl1"/>
<link:label xlink:type="resource" xlink:label="cytr_PeriodOfTimeForNetOperatingLossLimitationsAfterOwnershipChange_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="cytr_PeriodOfTimeForNetOperatingLossLimitationsAfterOwnershipChange_lbl2" xml:lang="en-US" id="cytr_PeriodOfTimeForNetOperatingLossLimitationsAfterOwnershipChange_lbl2"> Period of time for IRS enforced limitation of NOL carryforward on company after an ownership change </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PeriodOfTimeForNetOperatingLossLimitationsAfterOwnershipChange" xlink:to="cytr_PeriodOfTimeForNetOperatingLossLimitationsAfterOwnershipChange_lbl2" xlink:title="label: PeriodOfTimeForNetOperatingLossLimitationsAfterOwnershipChange to cytr_PeriodOfTimeForNetOperatingLossLimitationsAfterOwnershipChange_lbl2"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_OperatingLossCarryforwardsUnrestricted" xlink:label="OperatingLossCarryforwardsUnrestricted" xlink:title="OperatingLossCarryforwardsUnrestricted"/>
<link:label xlink:type="resource" xlink:label="cytr_OperatingLossCarryforwardsUnrestricted_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_OperatingLossCarryforwardsUnrestricted_lbl" xml:lang="en-US" id="cytr_OperatingLossCarryforwardsUnrestricted_lbl"> This line item represents the amount of operating loss carryforwards available to reduce future taxable income, on which there are no limitations on its use. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingLossCarryforwardsUnrestricted" xlink:to="cytr_OperatingLossCarryforwardsUnrestricted_lbl" xlink:title="label: OperatingLossCarryforwardsUnrestricted to cytr_OperatingLossCarryforwardsUnrestricted_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_OperatingLossCarryforwardsUnrestricted_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_OperatingLossCarryforwardsUnrestricted_lbl1" xml:lang="en-US" id="cytr_OperatingLossCarryforwardsUnrestricted_lbl1"> Operating loss carryforwards unrestricted </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingLossCarryforwardsUnrestricted" xlink:to="cytr_OperatingLossCarryforwardsUnrestricted_lbl1" xlink:title="label: OperatingLossCarryforwardsUnrestricted to cytr_OperatingLossCarryforwardsUnrestricted_lbl1"/>
<link:label xlink:type="resource" xlink:label="cytr_OperatingLossCarryforwardsUnrestricted_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="cytr_OperatingLossCarryforwardsUnrestricted_lbl2" xml:lang="en-US" id="cytr_OperatingLossCarryforwardsUnrestricted_lbl2"> Operating loss carryforwards, unrestricted </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingLossCarryforwardsUnrestricted" xlink:to="cytr_OperatingLossCarryforwardsUnrestricted_lbl2" xlink:title="label: OperatingLossCarryforwardsUnrestricted to cytr_OperatingLossCarryforwardsUnrestricted_lbl2"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_IncomeTaxReconciliationWarrantyLiability" xlink:label="IncomeTaxReconciliationWarrantyLiability" xlink:title="IncomeTaxReconciliationWarrantyLiability"/>
<link:label xlink:type="resource" xlink:label="cytr_IncomeTaxReconciliationWarrantyLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_IncomeTaxReconciliationWarrantyLiability_lbl" xml:lang="en-US" id="cytr_IncomeTaxReconciliationWarrantyLiability_lbl"> The portion of the difference, between total income tax expense or benefit as reported in the Income Statement for the year/accounting period and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations, that is attributable to warranty liability. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IncomeTaxReconciliationWarrantyLiability" xlink:to="cytr_IncomeTaxReconciliationWarrantyLiability_lbl" xlink:title="label: IncomeTaxReconciliationWarrantyLiability to cytr_IncomeTaxReconciliationWarrantyLiability_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_IncomeTaxReconciliationWarrantyLiability_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_IncomeTaxReconciliationWarrantyLiability_lbl1" xml:lang="en-US" id="cytr_IncomeTaxReconciliationWarrantyLiability_lbl1"> Income Tax Reconciliation, Warranty Liability </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IncomeTaxReconciliationWarrantyLiability" xlink:to="cytr_IncomeTaxReconciliationWarrantyLiability_lbl1" xlink:title="label: IncomeTaxReconciliationWarrantyLiability to cytr_IncomeTaxReconciliationWarrantyLiability_lbl1"/>
<link:label xlink:type="resource" xlink:label="cytr_IncomeTaxReconciliationWarrantyLiability_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="cytr_IncomeTaxReconciliationWarrantyLiability_lbl2" xml:lang="en-US" id="cytr_IncomeTaxReconciliationWarrantyLiability_lbl2"> Warranty liabilities </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IncomeTaxReconciliationWarrantyLiability" xlink:to="cytr_IncomeTaxReconciliationWarrantyLiability_lbl2" xlink:title="label: IncomeTaxReconciliationWarrantyLiability to cytr_IncomeTaxReconciliationWarrantyLiability_lbl2"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_TaxCreditsCarryforwardExpirationDates" xlink:label="TaxCreditsCarryforwardExpirationDates" xlink:title="TaxCreditsCarryforwardExpirationDates"/>
<link:label xlink:type="resource" xlink:label="cytr_TaxCreditsCarryforwardExpirationDates_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_TaxCreditsCarryforwardExpirationDates_lbl" xml:lang="en-US" id="cytr_TaxCreditsCarryforwardExpirationDates_lbl"> This line item represents the expiration date of the tax credit carryforward. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TaxCreditsCarryforwardExpirationDates" xlink:to="cytr_TaxCreditsCarryforwardExpirationDates_lbl" xlink:title="label: TaxCreditsCarryforwardExpirationDates to cytr_TaxCreditsCarryforwardExpirationDates_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_TaxCreditsCarryforwardExpirationDates_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_TaxCreditsCarryforwardExpirationDates_lbl1" xml:lang="en-US" id="cytr_TaxCreditsCarryforwardExpirationDates_lbl1"> Tax Credits Carryforward Expiration Dates </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TaxCreditsCarryforwardExpirationDates" xlink:to="cytr_TaxCreditsCarryforwardExpirationDates_lbl1" xlink:title="label: TaxCreditsCarryforwardExpirationDates to cytr_TaxCreditsCarryforwardExpirationDates_lbl1"/>
<link:label xlink:type="resource" xlink:label="cytr_TaxCreditsCarryforwardExpirationDates_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="cytr_TaxCreditsCarryforwardExpirationDates_lbl2" xml:lang="en-US" id="cytr_TaxCreditsCarryforwardExpirationDates_lbl2"> Expiration date </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TaxCreditsCarryforwardExpirationDates" xlink:to="cytr_TaxCreditsCarryforwardExpirationDates_lbl2" xlink:title="label: TaxCreditsCarryforwardExpirationDates to cytr_TaxCreditsCarryforwardExpirationDates_lbl2"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_CommonStockReceivedInAcquiringCompanyUponAcquisitionOfEquityMethodInvestee" xlink:label="CommonStockReceivedInAcquiringCompanyUponAcquisitionOfEquityMethodInvestee" xlink:title="CommonStockReceivedInAcquiringCompanyUponAcquisitionOfEquityMethodInvestee"/>
<link:label xlink:type="resource" xlink:label="cytr_CommonStockReceivedInAcquiringCompanyUponAcquisitionOfEquityMethodInvestee_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_CommonStockReceivedInAcquiringCompanyUponAcquisitionOfEquityMethodInvestee_lbl" xml:lang="en-US" id="cytr_CommonStockReceivedInAcquiringCompanyUponAcquisitionOfEquityMethodInvestee_lbl"> Common shares received by entity in a company that acquires an equity method investee of the entity. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CommonStockReceivedInAcquiringCompanyUponAcquisitionOfEquityMethodInvestee" xlink:to="cytr_CommonStockReceivedInAcquiringCompanyUponAcquisitionOfEquityMethodInvestee_lbl" xlink:title="label: CommonStockReceivedInAcquiringCompanyUponAcquisitionOfEquityMethodInvestee to cytr_CommonStockReceivedInAcquiringCompanyUponAcquisitionOfEquityMethodInvestee_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_CommonStockReceivedInAcquiringCompanyUponAcquisitionOfEquityMethodInvestee_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_CommonStockReceivedInAcquiringCompanyUponAcquisitionOfEquityMethodInvestee_lbl1" xml:lang="en-US" id="cytr_CommonStockReceivedInAcquiringCompanyUponAcquisitionOfEquityMethodInvestee_lbl1"> Common Stock Received In Acquiring Company Upon Acquisition Of Equity Method Investee </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CommonStockReceivedInAcquiringCompanyUponAcquisitionOfEquityMethodInvestee" xlink:to="cytr_CommonStockReceivedInAcquiringCompanyUponAcquisitionOfEquityMethodInvestee_lbl1" xlink:title="label: CommonStockReceivedInAcquiringCompanyUponAcquisitionOfEquityMethodInvestee to cytr_CommonStockReceivedInAcquiringCompanyUponAcquisitionOfEquityMethodInvestee_lbl1"/>
<link:label xlink:type="resource" xlink:label="cytr_CommonStockReceivedInAcquiringCompanyUponAcquisitionOfEquityMethodInvestee_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="cytr_CommonStockReceivedInAcquiringCompanyUponAcquisitionOfEquityMethodInvestee_lbl2" xml:lang="en-US" id="cytr_CommonStockReceivedInAcquiringCompanyUponAcquisitionOfEquityMethodInvestee_lbl2"> Common stock received in acquiring company upon acquisition of equity method investee (in shares) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CommonStockReceivedInAcquiringCompanyUponAcquisitionOfEquityMethodInvestee" xlink:to="cytr_CommonStockReceivedInAcquiringCompanyUponAcquisitionOfEquityMethodInvestee_lbl2" xlink:title="label: CommonStockReceivedInAcquiringCompanyUponAcquisitionOfEquityMethodInvestee to cytr_CommonStockReceivedInAcquiringCompanyUponAcquisitionOfEquityMethodInvestee_lbl2"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_ProceedsFromSaleOfCommonStockInAcquiringEntity" xlink:label="ProceedsFromSaleOfCommonStockInAcquiringEntity" xlink:title="ProceedsFromSaleOfCommonStockInAcquiringEntity"/>
<link:label xlink:type="resource" xlink:label="cytr_ProceedsFromSaleOfCommonStockInAcquiringEntity_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_ProceedsFromSaleOfCommonStockInAcquiringEntity_lbl" xml:lang="en-US" id="cytr_ProceedsFromSaleOfCommonStockInAcquiringEntity_lbl"> Gross proceeds received by company from sale of common stock received in acquiring company upon acquisition of equity method investee. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ProceedsFromSaleOfCommonStockInAcquiringEntity" xlink:to="cytr_ProceedsFromSaleOfCommonStockInAcquiringEntity_lbl" xlink:title="label: ProceedsFromSaleOfCommonStockInAcquiringEntity to cytr_ProceedsFromSaleOfCommonStockInAcquiringEntity_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_ProceedsFromSaleOfCommonStockInAcquiringEntity_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_ProceedsFromSaleOfCommonStockInAcquiringEntity_lbl1" xml:lang="en-US" id="cytr_ProceedsFromSaleOfCommonStockInAcquiringEntity_lbl1"> Proceeds From Sale of Common Stock In Acquiring Entity </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ProceedsFromSaleOfCommonStockInAcquiringEntity" xlink:to="cytr_ProceedsFromSaleOfCommonStockInAcquiringEntity_lbl1" xlink:title="label: ProceedsFromSaleOfCommonStockInAcquiringEntity to cytr_ProceedsFromSaleOfCommonStockInAcquiringEntity_lbl1"/>
<link:label xlink:type="resource" xlink:label="cytr_ProceedsFromSaleOfCommonStockInAcquiringEntity_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="cytr_ProceedsFromSaleOfCommonStockInAcquiringEntity_lbl2" xml:lang="en-US" id="cytr_ProceedsFromSaleOfCommonStockInAcquiringEntity_lbl2"> Proceeds from sale of common stock in acquiring entity </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ProceedsFromSaleOfCommonStockInAcquiringEntity" xlink:to="cytr_ProceedsFromSaleOfCommonStockInAcquiringEntity_lbl2" xlink:title="label: ProceedsFromSaleOfCommonStockInAcquiringEntity to cytr_ProceedsFromSaleOfCommonStockInAcquiringEntity_lbl2"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_AdditionalSharesOfCommonStockPotentiallyIssuableFromDevelopmentMilestonesMaximum" xlink:label="AdditionalSharesOfCommonStockPotentiallyIssuableFromDevelopmentMilestonesMaximum" xlink:title="AdditionalSharesOfCommonStockPotentiallyIssuableFromDevelopmentMilestonesMaximum"/>
<link:label xlink:type="resource" xlink:label="cytr_AdditionalSharesOfCommonStockPotentiallyIssuableFromDevelopmentMilestonesMaximum_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_AdditionalSharesOfCommonStockPotentiallyIssuableFromDevelopmentMilestonesMaximum_lbl" xml:lang="en-US" id="cytr_AdditionalSharesOfCommonStockPotentiallyIssuableFromDevelopmentMilestonesMaximum_lbl"> Maximum number of additional shares of common stock, potentially issuable to entity, in acquiring company in connection with development milestones parameters established with the acquisition of the entity's equity method investee. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AdditionalSharesOfCommonStockPotentiallyIssuableFromDevelopmentMilestonesMaximum" xlink:to="cytr_AdditionalSharesOfCommonStockPotentiallyIssuableFromDevelopmentMilestonesMaximum_lbl" xlink:title="label: AdditionalSharesOfCommonStockPotentiallyIssuableFromDevelopmentMilestonesMaximum to cytr_AdditionalSharesOfCommonStockPotentiallyIssuableFromDevelopmentMilestonesMaximum_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_AdditionalSharesOfCommonStockPotentiallyIssuableFromDevelopmentMilestonesMaximum_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_AdditionalSharesOfCommonStockPotentiallyIssuableFromDevelopmentMilestonesMaximum_lbl1" xml:lang="en-US" id="cytr_AdditionalSharesOfCommonStockPotentiallyIssuableFromDevelopmentMilestonesMaximum_lbl1"> Additional Shares of Common Stock Potentially Issuable From Development Milestones, Maximum </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AdditionalSharesOfCommonStockPotentiallyIssuableFromDevelopmentMilestonesMaximum" xlink:to="cytr_AdditionalSharesOfCommonStockPotentiallyIssuableFromDevelopmentMilestonesMaximum_lbl1" xlink:title="label: AdditionalSharesOfCommonStockPotentiallyIssuableFromDevelopmentMilestonesMaximum to cytr_AdditionalSharesOfCommonStockPotentiallyIssuableFromDevelopmentMilestonesMaximum_lbl1"/>
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<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AdditionalSharesOfCommonStockPotentiallyIssuableFromDevelopmentMilestonesMaximum" xlink:to="cytr_AdditionalSharesOfCommonStockPotentiallyIssuableFromDevelopmentMilestonesMaximum_lbl2" xlink:title="label: AdditionalSharesOfCommonStockPotentiallyIssuableFromDevelopmentMilestonesMaximum to cytr_AdditionalSharesOfCommonStockPotentiallyIssuableFromDevelopmentMilestonesMaximum_lbl2"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_AdditionalSharesOfCommonStockHeldInEscrowPotentiallyIssuable" xlink:label="AdditionalSharesOfCommonStockHeldInEscrowPotentiallyIssuable" xlink:title="AdditionalSharesOfCommonStockHeldInEscrowPotentiallyIssuable"/>
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<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AdditionalSharesOfCommonStockHeldInEscrowPotentiallyIssuable" xlink:to="cytr_AdditionalSharesOfCommonStockHeldInEscrowPotentiallyIssuable_lbl2" xlink:title="label: AdditionalSharesOfCommonStockHeldInEscrowPotentiallyIssuable to cytr_AdditionalSharesOfCommonStockHeldInEscrowPotentiallyIssuable_lbl2"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_AdventrxPharmaceuticalsMember" xlink:label="AdventrxPharmaceuticalsMember" xlink:title="AdventrxPharmaceuticalsMember"/>
<link:label xlink:type="resource" xlink:label="cytr_AdventrxPharmaceuticalsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_AdventrxPharmaceuticalsMember_lbl" xml:lang="en-US" id="cytr_AdventrxPharmaceuticalsMember_lbl"> Name of each investee for which combined disclosure is appropriate, in which the Entity has an investment in common stock accounted for under the equity method of accounting. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AdventrxPharmaceuticalsMember" xlink:to="cytr_AdventrxPharmaceuticalsMember_lbl" xlink:title="label: AdventrxPharmaceuticalsMember to cytr_AdventrxPharmaceuticalsMember_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_AdventrxPharmaceuticalsMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_AdventrxPharmaceuticalsMember_lbl1" xml:lang="en-US" id="cytr_AdventrxPharmaceuticalsMember_lbl1"> ADVENTRX Pharmaceuticals [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AdventrxPharmaceuticalsMember" xlink:to="cytr_AdventrxPharmaceuticalsMember_lbl1" xlink:title="label: AdventrxPharmaceuticalsMember to cytr_AdventrxPharmaceuticalsMember_lbl1"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_SynthrxIncMember" xlink:label="SynthrxIncMember" xlink:title="SynthrxIncMember"/>
<link:label xlink:type="resource" xlink:label="cytr_SynthrxIncMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_SynthrxIncMember_lbl" xml:lang="en-US" id="cytr_SynthrxIncMember_lbl"> The company that is being acquired or purchased in a merger and acquisition. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SynthrxIncMember" xlink:to="cytr_SynthrxIncMember_lbl" xlink:title="label: SynthrxIncMember to cytr_SynthrxIncMember_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_SynthrxIncMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_SynthrxIncMember_lbl1" xml:lang="en-US" id="cytr_SynthrxIncMember_lbl1"> SynthRx, Inc. [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SynthrxIncMember" xlink:to="cytr_SynthrxIncMember_lbl1" xlink:title="label: SynthrxIncMember to cytr_SynthrxIncMember_lbl1"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_StockholderProtectionRightsPlanAbstract" xlink:label="StockholderProtectionRightsPlanAbstract" xlink:title="StockholderProtectionRightsPlanAbstract"/>
<link:label xlink:type="resource" xlink:label="cytr_StockholderProtectionRightsPlanAbstract_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_StockholderProtectionRightsPlanAbstract_lbl1" xml:lang="en-US" id="cytr_StockholderProtectionRightsPlanAbstract_lbl1"> Stockholder Protection Rights Plan [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockholderProtectionRightsPlanAbstract" xlink:to="cytr_StockholderProtectionRightsPlanAbstract_lbl1" xlink:title="label: StockholderProtectionRightsPlanAbstract to cytr_StockholderProtectionRightsPlanAbstract_lbl1"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_StockholderProtectionRightsPlanTextBlock" xlink:label="StockholderProtectionRightsPlanTextBlock" xlink:title="StockholderProtectionRightsPlanTextBlock"/>
<link:label xlink:type="resource" xlink:label="cytr_StockholderProtectionRightsPlanTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_StockholderProtectionRightsPlanTextBlock_lbl" xml:lang="en-US" id="cytr_StockholderProtectionRightsPlanTextBlock_lbl"> The entire disclosure for the stockholder protection rights plan. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockholderProtectionRightsPlanTextBlock" xlink:to="cytr_StockholderProtectionRightsPlanTextBlock_lbl" xlink:title="label: StockholderProtectionRightsPlanTextBlock to cytr_StockholderProtectionRightsPlanTextBlock_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_StockholderProtectionRightsPlanTextBlock_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_StockholderProtectionRightsPlanTextBlock_lbl1" xml:lang="en-US" id="cytr_StockholderProtectionRightsPlanTextBlock_lbl1"> Stockholder Protection Rights Plan [Text Block] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockholderProtectionRightsPlanTextBlock" xlink:to="cytr_StockholderProtectionRightsPlanTextBlock_lbl1" xlink:title="label: StockholderProtectionRightsPlanTextBlock to cytr_StockholderProtectionRightsPlanTextBlock_lbl1"/>
<link:label xlink:type="resource" xlink:label="cytr_StockholderProtectionRightsPlanTextBlock_lbl2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="cytr_StockholderProtectionRightsPlanTextBlock_lbl2" xml:lang="en-US" id="cytr_StockholderProtectionRightsPlanTextBlock_lbl2"> Stockholder Protection Rights Plan </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockholderProtectionRightsPlanTextBlock" xlink:to="cytr_StockholderProtectionRightsPlanTextBlock_lbl2" xlink:title="label: StockholderProtectionRightsPlanTextBlock to cytr_StockholderProtectionRightsPlanTextBlock_lbl2"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_BeneficialOwnershipPercentageOfCompanyOutstandingSharesOfCommonStockByAcquiringPerson" xlink:label="BeneficialOwnershipPercentageOfCompanyOutstandingSharesOfCommonStockByAcquiringPerson" xlink:title="BeneficialOwnershipPercentageOfCompanyOutstandingSharesOfCommonStockByAcquiringPerson"/>
<link:label xlink:type="resource" xlink:label="cytr_BeneficialOwnershipPercentageOfCompanyOutstandingSharesOfCommonStockByAcquiringPerson_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_BeneficialOwnershipPercentageOfCompanyOutstandingSharesOfCommonStockByAcquiringPerson_lbl" xml:lang="en-US" id="cytr_BeneficialOwnershipPercentageOfCompanyOutstandingSharesOfCommonStockByAcquiringPerson_lbl"> Beneficial ownership percentage of company outstanding shares of common stock by acquiring person. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BeneficialOwnershipPercentageOfCompanyOutstandingSharesOfCommonStockByAcquiringPerson" xlink:to="cytr_BeneficialOwnershipPercentageOfCompanyOutstandingSharesOfCommonStockByAcquiringPerson_lbl" xlink:title="label: BeneficialOwnershipPercentageOfCompanyOutstandingSharesOfCommonStockByAcquiringPerson to cytr_BeneficialOwnershipPercentageOfCompanyOutstandingSharesOfCommonStockByAcquiringPerson_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_BeneficialOwnershipPercentageOfCompanyOutstandingSharesOfCommonStockByAcquiringPerson_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_BeneficialOwnershipPercentageOfCompanyOutstandingSharesOfCommonStockByAcquiringPerson_lbl1" xml:lang="en-US" id="cytr_BeneficialOwnershipPercentageOfCompanyOutstandingSharesOfCommonStockByAcquiringPerson_lbl1"> Beneficial Ownership Percentage of Company Outstanding Shares of Common Stock By Acquiring Person </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BeneficialOwnershipPercentageOfCompanyOutstandingSharesOfCommonStockByAcquiringPerson" xlink:to="cytr_BeneficialOwnershipPercentageOfCompanyOutstandingSharesOfCommonStockByAcquiringPerson_lbl1" xlink:title="label: BeneficialOwnershipPercentageOfCompanyOutstandingSharesOfCommonStockByAcquiringPerson to cytr_BeneficialOwnershipPercentageOfCompanyOutstandingSharesOfCommonStockByAcquiringPerson_lbl1"/>
<link:label xlink:type="resource" xlink:label="cytr_BeneficialOwnershipPercentageOfCompanyOutstandingSharesOfCommonStockByAcquiringPerson_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="cytr_BeneficialOwnershipPercentageOfCompanyOutstandingSharesOfCommonStockByAcquiringPerson_lbl2" xml:lang="en-US" id="cytr_BeneficialOwnershipPercentageOfCompanyOutstandingSharesOfCommonStockByAcquiringPerson_lbl2"> Beneficial ownership percentage of company outstanding shares of common stock by acquiring person (in hundredths) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BeneficialOwnershipPercentageOfCompanyOutstandingSharesOfCommonStockByAcquiringPerson" xlink:to="cytr_BeneficialOwnershipPercentageOfCompanyOutstandingSharesOfCommonStockByAcquiringPerson_lbl2" xlink:title="label: BeneficialOwnershipPercentageOfCompanyOutstandingSharesOfCommonStockByAcquiringPerson to cytr_BeneficialOwnershipPercentageOfCompanyOutstandingSharesOfCommonStockByAcquiringPerson_lbl2"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_NumberOfBusinessDaysAfterAnnouncementRightsAreNotExercisableForCertainPersons" xlink:label="NumberOfBusinessDaysAfterAnnouncementRightsAreNotExercisableForCertainPersons" xlink:title="NumberOfBusinessDaysAfterAnnouncementRightsAreNotExercisableForCertainPersons"/>
<link:label xlink:type="resource" xlink:label="cytr_NumberOfBusinessDaysAfterAnnouncementRightsAreNotExercisableForCertainPersons_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_NumberOfBusinessDaysAfterAnnouncementRightsAreNotExercisableForCertainPersons_lbl" xml:lang="en-US" id="cytr_NumberOfBusinessDaysAfterAnnouncementRightsAreNotExercisableForCertainPersons_lbl"> The Rights are generally not exercisable for certain business days after an announcement by the Company that a person or group of affiliated persons (an "Acquiring Person") has acquired certain beneficial ownership. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfBusinessDaysAfterAnnouncementRightsAreNotExercisableForCertainPersons" xlink:to="cytr_NumberOfBusinessDaysAfterAnnouncementRightsAreNotExercisableForCertainPersons_lbl" xlink:title="label: NumberOfBusinessDaysAfterAnnouncementRightsAreNotExercisableForCertainPersons to cytr_NumberOfBusinessDaysAfterAnnouncementRightsAreNotExercisableForCertainPersons_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_NumberOfBusinessDaysAfterAnnouncementRightsAreNotExercisableForCertainPersons_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_NumberOfBusinessDaysAfterAnnouncementRightsAreNotExercisableForCertainPersons_lbl1" xml:lang="en-US" id="cytr_NumberOfBusinessDaysAfterAnnouncementRightsAreNotExercisableForCertainPersons_lbl1"> Number of Business Days after Announcement Rights are not Exercisable for Certain Persons </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfBusinessDaysAfterAnnouncementRightsAreNotExercisableForCertainPersons" xlink:to="cytr_NumberOfBusinessDaysAfterAnnouncementRightsAreNotExercisableForCertainPersons_lbl1" xlink:title="label: NumberOfBusinessDaysAfterAnnouncementRightsAreNotExercisableForCertainPersons to cytr_NumberOfBusinessDaysAfterAnnouncementRightsAreNotExercisableForCertainPersons_lbl1"/>
<link:label xlink:type="resource" xlink:label="cytr_NumberOfBusinessDaysAfterAnnouncementRightsAreNotExercisableForCertainPersons_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="cytr_NumberOfBusinessDaysAfterAnnouncementRightsAreNotExercisableForCertainPersons_lbl2" xml:lang="en-US" id="cytr_NumberOfBusinessDaysAfterAnnouncementRightsAreNotExercisableForCertainPersons_lbl2"> Number of business days after announcement rights are not exercisable for certain persons </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfBusinessDaysAfterAnnouncementRightsAreNotExercisableForCertainPersons" xlink:to="cytr_NumberOfBusinessDaysAfterAnnouncementRightsAreNotExercisableForCertainPersons_lbl2" xlink:title="label: NumberOfBusinessDaysAfterAnnouncementRightsAreNotExercisableForCertainPersons to cytr_NumberOfBusinessDaysAfterAnnouncementRightsAreNotExercisableForCertainPersons_lbl2"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_ProportionOfRightEntitlesToPurchaseSeriesPreferredStock" xlink:label="ProportionOfRightEntitlesToPurchaseSeriesPreferredStock" xlink:title="ProportionOfRightEntitlesToPurchaseSeriesPreferredStock"/>
<link:label xlink:type="resource" xlink:label="cytr_ProportionOfRightEntitlesToPurchaseSeriesPreferredStock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_ProportionOfRightEntitlesToPurchaseSeriesPreferredStock_lbl" xml:lang="en-US" id="cytr_ProportionOfRightEntitlesToPurchaseSeriesPreferredStock_lbl"> Each Right entitles the registered holder to purchase from the Company on certain proportion of a share of Series A Junior Participating Preferred Stock. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ProportionOfRightEntitlesToPurchaseSeriesPreferredStock" xlink:to="cytr_ProportionOfRightEntitlesToPurchaseSeriesPreferredStock_lbl" xlink:title="label: ProportionOfRightEntitlesToPurchaseSeriesPreferredStock to cytr_ProportionOfRightEntitlesToPurchaseSeriesPreferredStock_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_ProportionOfRightEntitlesToPurchaseSeriesPreferredStock_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_ProportionOfRightEntitlesToPurchaseSeriesPreferredStock_lbl1" xml:lang="en-US" id="cytr_ProportionOfRightEntitlesToPurchaseSeriesPreferredStock_lbl1"> Proportion of Right Entitles to Purchase Series A Preferred Stock </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ProportionOfRightEntitlesToPurchaseSeriesPreferredStock" xlink:to="cytr_ProportionOfRightEntitlesToPurchaseSeriesPreferredStock_lbl1" xlink:title="label: ProportionOfRightEntitlesToPurchaseSeriesPreferredStock to cytr_ProportionOfRightEntitlesToPurchaseSeriesPreferredStock_lbl1"/>
<link:label xlink:type="resource" xlink:label="cytr_ProportionOfRightEntitlesToPurchaseSeriesPreferredStock_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="cytr_ProportionOfRightEntitlesToPurchaseSeriesPreferredStock_lbl2" xml:lang="en-US" id="cytr_ProportionOfRightEntitlesToPurchaseSeriesPreferredStock_lbl2"> Proportion of right entitles to purchase series A preferred stock </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ProportionOfRightEntitlesToPurchaseSeriesPreferredStock" xlink:to="cytr_ProportionOfRightEntitlesToPurchaseSeriesPreferredStock_lbl2" xlink:title="label: ProportionOfRightEntitlesToPurchaseSeriesPreferredStock to cytr_ProportionOfRightEntitlesToPurchaseSeriesPreferredStock_lbl2"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_NumberOfRightForEachOutstandingShare" xlink:label="NumberOfRightForEachOutstandingShare" xlink:title="NumberOfRightForEachOutstandingShare"/>
<link:label xlink:type="resource" xlink:label="cytr_NumberOfRightForEachOutstandingShare_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_NumberOfRightForEachOutstandingShare_lbl" xml:lang="en-US" id="cytr_NumberOfRightForEachOutstandingShare_lbl"> Directors declared a distribution of certain right ("Rights") for each outstanding share of the Company's common stock to stockholders of record at the close of business. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfRightForEachOutstandingShare" xlink:to="cytr_NumberOfRightForEachOutstandingShare_lbl" xlink:title="label: NumberOfRightForEachOutstandingShare to cytr_NumberOfRightForEachOutstandingShare_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_NumberOfRightForEachOutstandingShare_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_NumberOfRightForEachOutstandingShare_lbl1" xml:lang="en-US" id="cytr_NumberOfRightForEachOutstandingShare_lbl1"> Number of Right for each Outstanding Share </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfRightForEachOutstandingShare" xlink:to="cytr_NumberOfRightForEachOutstandingShare_lbl1" xlink:title="label: NumberOfRightForEachOutstandingShare to cytr_NumberOfRightForEachOutstandingShare_lbl1"/>
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<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfRightForEachOutstandingShare" xlink:to="cytr_NumberOfRightForEachOutstandingShare_lbl2" xlink:title="label: NumberOfRightForEachOutstandingShare to cytr_NumberOfRightForEachOutstandingShare_lbl2"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_PercentageOfCompanyOutstandingSharesOfCommonStockByAcquiringPerson" xlink:label="PercentageOfCompanyOutstandingSharesOfCommonStockByAcquiringPerson" xlink:title="PercentageOfCompanyOutstandingSharesOfCommonStockByAcquiringPerson"/>
<link:label xlink:type="resource" xlink:label="cytr_PercentageOfCompanyOutstandingSharesOfCommonStockByAcquiringPerson_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_PercentageOfCompanyOutstandingSharesOfCommonStockByAcquiringPerson_lbl" xml:lang="en-US" id="cytr_PercentageOfCompanyOutstandingSharesOfCommonStockByAcquiringPerson_lbl"> Percentage of company outstanding shares of common stock by acquiring person. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PercentageOfCompanyOutstandingSharesOfCommonStockByAcquiringPerson" xlink:to="cytr_PercentageOfCompanyOutstandingSharesOfCommonStockByAcquiringPerson_lbl" xlink:title="label: PercentageOfCompanyOutstandingSharesOfCommonStockByAcquiringPerson to cytr_PercentageOfCompanyOutstandingSharesOfCommonStockByAcquiringPerson_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_PercentageOfCompanyOutstandingSharesOfCommonStockByAcquiringPerson_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_PercentageOfCompanyOutstandingSharesOfCommonStockByAcquiringPerson_lbl1" xml:lang="en-US" id="cytr_PercentageOfCompanyOutstandingSharesOfCommonStockByAcquiringPerson_lbl1"> Percentage Of Company Outstanding Shares Of Common Stock By Acquiring Person </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PercentageOfCompanyOutstandingSharesOfCommonStockByAcquiringPerson" xlink:to="cytr_PercentageOfCompanyOutstandingSharesOfCommonStockByAcquiringPerson_lbl1" xlink:title="label: PercentageOfCompanyOutstandingSharesOfCommonStockByAcquiringPerson to cytr_PercentageOfCompanyOutstandingSharesOfCommonStockByAcquiringPerson_lbl1"/>
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<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PercentageOfCompanyOutstandingSharesOfCommonStockByAcquiringPerson" xlink:to="cytr_PercentageOfCompanyOutstandingSharesOfCommonStockByAcquiringPerson_lbl2" xlink:title="label: PercentageOfCompanyOutstandingSharesOfCommonStockByAcquiringPerson to cytr_PercentageOfCompanyOutstandingSharesOfCommonStockByAcquiringPerson_lbl2"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_PeriodEntitledToPercentageBasedFeeFromAnyLicensingAgreement" xlink:label="PeriodEntitledToPercentageBasedFeeFromAnyLicensingAgreement" xlink:title="PeriodEntitledToPercentageBasedFeeFromAnyLicensingAgreement"/>
<link:label xlink:type="resource" xlink:label="cytr_PeriodEntitledToPercentageBasedFeeFromAnyLicensingAgreement_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_PeriodEntitledToPercentageBasedFeeFromAnyLicensingAgreement_lbl" xml:lang="en-US" id="cytr_PeriodEntitledToPercentageBasedFeeFromAnyLicensingAgreement_lbl"> Period where entity will be entitled to a percentage-based fee from any licensing agreement, after entering into the asset purchase agreement. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PeriodEntitledToPercentageBasedFeeFromAnyLicensingAgreement" xlink:to="cytr_PeriodEntitledToPercentageBasedFeeFromAnyLicensingAgreement_lbl" xlink:title="label: PeriodEntitledToPercentageBasedFeeFromAnyLicensingAgreement to cytr_PeriodEntitledToPercentageBasedFeeFromAnyLicensingAgreement_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_PeriodEntitledToPercentageBasedFeeFromAnyLicensingAgreement_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_PeriodEntitledToPercentageBasedFeeFromAnyLicensingAgreement_lbl1" xml:lang="en-US" id="cytr_PeriodEntitledToPercentageBasedFeeFromAnyLicensingAgreement_lbl1"> Period entitled to a percentage based fee from any licensing agreement </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PeriodEntitledToPercentageBasedFeeFromAnyLicensingAgreement" xlink:to="cytr_PeriodEntitledToPercentageBasedFeeFromAnyLicensingAgreement_lbl1" xlink:title="label: PeriodEntitledToPercentageBasedFeeFromAnyLicensingAgreement to cytr_PeriodEntitledToPercentageBasedFeeFromAnyLicensingAgreement_lbl1"/>
<link:label xlink:type="resource" xlink:label="cytr_PeriodEntitledToPercentageBasedFeeFromAnyLicensingAgreement_lbl2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="cytr_PeriodEntitledToPercentageBasedFeeFromAnyLicensingAgreement_lbl2" xml:lang="en-US" id="cytr_PeriodEntitledToPercentageBasedFeeFromAnyLicensingAgreement_lbl2"> Period entitled to a percentage based fee from any licensing agreement </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PeriodEntitledToPercentageBasedFeeFromAnyLicensingAgreement" xlink:to="cytr_PeriodEntitledToPercentageBasedFeeFromAnyLicensingAgreement_lbl2" xlink:title="label: PeriodEntitledToPercentageBasedFeeFromAnyLicensingAgreement to cytr_PeriodEntitledToPercentageBasedFeeFromAnyLicensingAgreement_lbl2"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_DocumentAndEntityInformationAbstract" xlink:label="DocumentAndEntityInformationAbstract" xlink:title="DocumentAndEntityInformationAbstract"/>
<link:label xlink:type="resource" xlink:label="cytr_DocumentAndEntityInformationAbstract_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_DocumentAndEntityInformationAbstract_lbl1" xml:lang="en-US" id="cytr_DocumentAndEntityInformationAbstract_lbl1"> Document and Entity Information [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DocumentAndEntityInformationAbstract" xlink:to="cytr_DocumentAndEntityInformationAbstract_lbl1" xlink:title="label: DocumentAndEntityInformationAbstract to cytr_DocumentAndEntityInformationAbstract_lbl1"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_ScheduleOfWeightedAverageAssumptionsTableTextBlock" xlink:label="ScheduleOfWeightedAverageAssumptionsTableTextBlock" xlink:title="ScheduleOfWeightedAverageAssumptionsTableTextBlock"/>
<link:label xlink:type="resource" xlink:label="cytr_ScheduleOfWeightedAverageAssumptionsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_ScheduleOfWeightedAverageAssumptionsTableTextBlock_lbl" xml:lang="en-US" id="cytr_ScheduleOfWeightedAverageAssumptionsTableTextBlock_lbl"> Tabular disclosure of the significant assumptions, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ScheduleOfWeightedAverageAssumptionsTableTextBlock" xlink:to="cytr_ScheduleOfWeightedAverageAssumptionsTableTextBlock_lbl" xlink:title="label: ScheduleOfWeightedAverageAssumptionsTableTextBlock to cytr_ScheduleOfWeightedAverageAssumptionsTableTextBlock_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_ScheduleOfWeightedAverageAssumptionsTableTextBlock_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_ScheduleOfWeightedAverageAssumptionsTableTextBlock_lbl1" xml:lang="en-US" id="cytr_ScheduleOfWeightedAverageAssumptionsTableTextBlock_lbl1"> Schedule of weighted average assumptions [Table Text Block] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ScheduleOfWeightedAverageAssumptionsTableTextBlock" xlink:to="cytr_ScheduleOfWeightedAverageAssumptionsTableTextBlock_lbl1" xlink:title="label: ScheduleOfWeightedAverageAssumptionsTableTextBlock to cytr_ScheduleOfWeightedAverageAssumptionsTableTextBlock_lbl1"/>
<link:label xlink:type="resource" xlink:label="cytr_ScheduleOfWeightedAverageAssumptionsTableTextBlock_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="cytr_ScheduleOfWeightedAverageAssumptionsTableTextBlock_lbl2" xml:lang="en-US" id="cytr_ScheduleOfWeightedAverageAssumptionsTableTextBlock_lbl2"> Schedule of weighted-average Assumptions </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ScheduleOfWeightedAverageAssumptionsTableTextBlock" xlink:to="cytr_ScheduleOfWeightedAverageAssumptionsTableTextBlock_lbl2" xlink:title="label: ScheduleOfWeightedAverageAssumptionsTableTextBlock to cytr_ScheduleOfWeightedAverageAssumptionsTableTextBlock_lbl2"/>
<link:loc xlink:type="locator" xlink:href="cytr-20131231.xsd#cytr_ScheduleOfSelectedProFormaBalanceSheetDataTableTextBlock" xlink:label="ScheduleOfSelectedProFormaBalanceSheetDataTableTextBlock" xlink:title="ScheduleOfSelectedProFormaBalanceSheetDataTableTextBlock"/>
<link:label xlink:type="resource" xlink:label="cytr_ScheduleOfSelectedProFormaBalanceSheetDataTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="cytr_ScheduleOfSelectedProFormaBalanceSheetDataTableTextBlock_lbl" xml:lang="en-US" id="cytr_ScheduleOfSelectedProFormaBalanceSheetDataTableTextBlock_lbl"> Tabular disclosure of selected pro forma balance sheet data giving retroactive effect to the completion of the underwritten offering. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ScheduleOfSelectedProFormaBalanceSheetDataTableTextBlock" xlink:to="cytr_ScheduleOfSelectedProFormaBalanceSheetDataTableTextBlock_lbl" xlink:title="label: ScheduleOfSelectedProFormaBalanceSheetDataTableTextBlock to cytr_ScheduleOfSelectedProFormaBalanceSheetDataTableTextBlock_lbl"/>
<link:label xlink:type="resource" xlink:label="cytr_ScheduleOfSelectedProFormaBalanceSheetDataTableTextBlock_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="cytr_ScheduleOfSelectedProFormaBalanceSheetDataTableTextBlock_lbl1" xml:lang="en-US" id="cytr_ScheduleOfSelectedProFormaBalanceSheetDataTableTextBlock_lbl1"> Schedule Of Selected Pro Forma Balance Sheet Data [Table Text Block] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ScheduleOfSelectedProFormaBalanceSheetDataTableTextBlock" xlink:to="cytr_ScheduleOfSelectedProFormaBalanceSheetDataTableTextBlock_lbl1" xlink:title="label: ScheduleOfSelectedProFormaBalanceSheetDataTableTextBlock to cytr_ScheduleOfSelectedProFormaBalanceSheetDataTableTextBlock_lbl1"/>
<link:label xlink:type="resource" xlink:label="cytr_ScheduleOfSelectedProFormaBalanceSheetDataTableTextBlock_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="cytr_ScheduleOfSelectedProFormaBalanceSheetDataTableTextBlock_lbl2" xml:lang="en-US" id="cytr_ScheduleOfSelectedProFormaBalanceSheetDataTableTextBlock_lbl2"> Schedule of selected pro forma balance sheet data </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ScheduleOfSelectedProFormaBalanceSheetDataTableTextBlock" xlink:to="cytr_ScheduleOfSelectedProFormaBalanceSheetDataTableTextBlock_lbl2" xlink:title="label: ScheduleOfSelectedProFormaBalanceSheetDataTableTextBlock to cytr_ScheduleOfSelectedProFormaBalanceSheetDataTableTextBlock_lbl2"/>
</link:labelLink>
</link:linkbase>

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