SEC Info℠  
    Home      Search      My Interests      Help      Sign In      Please Sign In

Polymedix, Inc – ‘10-K’ for 12/31/11 – ‘EX-101.LAB’

On:  Tuesday, 3/13/12, at 4:30pm ET   ·   For:  12/31/11   ·   Accession #:  1341843-12-4   ·   File #:  0-51895

Previous ‘10-K’:  ‘10-K’ on 3/7/11 for 12/31/10   ·   Latest ‘10-K’:  This Filing

Find Words in Filings emoji
 		  in    Show  and   ↓Hints

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

 3/13/12  Polymedix, Inc                    10-K       12/31/11   34:4.5M

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

Document/Exhibit                   Description                      Pages   Size 

 1: 10-K        Annual Report -- form10k                            HTML    887K 
 2: EX-3.2      Amended and Restated Bylaws                         HTML    122K 
 3: EX-10.22    Jorgensen Employment Agreement                      HTML     37K 
 4: EX-21       List of Subsidiaries                                HTML     10K 
 5: EX-23.1     Consent of Deloitte & Touche                        HTML     13K 
 6: EX-31.1     CEO 302 Certification                               HTML     18K 
 7: EX-31.2     CFO 302 Certification                               HTML     18K 
 8: EX-32       906 Certification                                   HTML     17K 
24: R1          Document And Entity Information                     HTML     39K 
18: R2          Consolidated Balance Sheets                         HTML    115K 
22: R3          Consolidated Balance Sheets (Parenthetical)         HTML     36K 
25: R4          Consolidated Statements of Operations               HTML     69K 
32: R5          Consolidated Statement of Changes in Stockholders'  HTML    195K 
                Equity                                                           
20: R6          Consolidated Statements of Cash Flows               HTML    124K 
21: R7          Organization and Business Activities                HTML     25K 
17: R8          Summary of Significant Accounting Policies          HTML     36K 
15: R9          Investments                                         HTML     20K 
33: R10         Fair Value Measurements                             HTML     39K 
27: R11         Accrued Expenses                                    HTML     24K 
26: R12         Provision for Income Taxes                          HTML     69K 
29: R13         Stockholders' Equity                                HTML    100K 
30: R14         Debt                                                HTML     33K 
28: R15         Derivative Financial Instruments                    HTML     25K 
31: R16         Commitments and Contingencies                       HTML     26K 
23: R17         Quarterly Financial Information (Unaudited)         HTML     51K 
34: XML         IDEA XML File -- Filing Summary                      XML     42K 
16: EXCEL       IDEA Workbook of Financial Reports (.xls)            XLS    377K 
 9: EX-101.INS  XBRL Instance -- pymx-20111231                       XML   1.04M 
11: EX-101.CAL  XBRL Calculations -- pymx-20111231_cal               XML     96K 
14: EX-101.DEF  XBRL Definitions -- pymx-20111231_def                XML     96K 
12: EX-101.LAB  XBRL Labels -- pymx-20111231_lab                     XML    605K 
13: EX-101.PRE  XBRL Presentations -- pymx-20111231_pre              XML    289K 
10: EX-101.SCH  XBRL Schema -- pymx-20111231                         XSD     61K 
19: ZIP         XBRL Zipped Folder -- 0001341843-12-000004-xbrl      Zip     70K

‘EX-101.LAB’   —   XBRL Labels — pymx-20111231_lab

This Exhibit is an XBRL XML File.

                                                                                                                                                                                
<?xml version="1.0" encoding="windows-1252"?>
<!-- Generated by Thomson Reuters Accelus -->
<link:linkbase xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xbrli="http://www.xbrl.org/2003/instance">
<link:roleRef roleURI="http://www.xbrl.org/2009/role/netLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/net-2009-12-16.xsd#netLabel"/>
<link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTotalLabel"/>
<link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedNetLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedNetLabel"/>
<link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTerseLabel"/>
<link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedPeriodEndLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodEndLabel"/>
<link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedPeriodStartLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodStartLabel"/>
<link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedLabel"/>
<link:labelLink xlink:type="extended" xlink:role="http://www.xbrl.org/2003/role/link">
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.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 </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/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments" xlink:label="AccretionAmortizationOfDiscountsAndPremiumsInvestments" xlink:title="AccretionAmortizationOfDiscountsAndPremiumsInvestments"/>
<link:label xlink:type="resource" xlink:label="us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments_lbl" xml:lang="en-US" id="us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments_lbl"> Accretion of discount on investment securities </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AccretionAmortizationOfDiscountsAndPremiumsInvestments" xlink:to="us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments_lbl" xlink:title="label: AccretionAmortizationOfDiscountsAndPremiumsInvestments to us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments_lbl1" xml:lang="en-US" id="us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments_lbl1"> Accretion (Amortization) of Discounts and Premiums, Investments </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AccretionAmortizationOfDiscountsAndPremiumsInvestments" xlink:to="us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments_lbl1" xlink:title="label: AccretionAmortizationOfDiscountsAndPremiumsInvestments to us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.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"> 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/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AdditionalPaidInCapitalCommonStock" xlink:label="AdditionalPaidInCapitalCommonStock" xlink:title="AdditionalPaidInCapitalCommonStock"/>
<link:label xlink:type="resource" xlink:label="us-gaap_AdditionalPaidInCapitalCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_AdditionalPaidInCapitalCommonStock_lbl" xml:lang="en-US" id="us-gaap_AdditionalPaidInCapitalCommonStock_lbl"> Additional paid-in capital </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AdditionalPaidInCapitalCommonStock" xlink:to="us-gaap_AdditionalPaidInCapitalCommonStock_lbl" xlink:title="label: AdditionalPaidInCapitalCommonStock to us-gaap_AdditionalPaidInCapitalCommonStock_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AdjustmentForAmortization" xlink:label="AdjustmentForAmortization" xlink:title="AdjustmentForAmortization"/>
<link:label xlink:type="resource" xlink:label="us-gaap_AdjustmentForAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_AdjustmentForAmortization_lbl" xml:lang="en-US" id="us-gaap_AdjustmentForAmortization_lbl"> Amortization </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AdjustmentForAmortization" xlink:to="us-gaap_AdjustmentForAmortization_lbl" xlink:title="label: AdjustmentForAmortization to us-gaap_AdjustmentForAmortization_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_Depreciation" xlink:label="Depreciation" xlink:title="Depreciation"/>
<link:label xlink:type="resource" xlink:label="us-gaap_Depreciation_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_Depreciation_lbl" xml:lang="en-US" id="us-gaap_Depreciation_lbl"> Depreciation </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="Depreciation" xlink:to="us-gaap_Depreciation_lbl" xlink:title="label: Depreciation to us-gaap_Depreciation_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IssuanceOfStockAndWarrantsForServicesOrClaims" xlink:label="IssuanceOfStockAndWarrantsForServicesOrClaims" xlink:title="IssuanceOfStockAndWarrantsForServicesOrClaims"/>
<link:label xlink:type="resource" xlink:label="us-gaap_IssuanceOfStockAndWarrantsForServicesOrClaims_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_IssuanceOfStockAndWarrantsForServicesOrClaims_lbl" xml:lang="en-US" id="us-gaap_IssuanceOfStockAndWarrantsForServicesOrClaims_lbl"> Series D warrant issuance </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IssuanceOfStockAndWarrantsForServicesOrClaims" xlink:to="us-gaap_IssuanceOfStockAndWarrantsForServicesOrClaims_lbl" xlink:title="label: IssuanceOfStockAndWarrantsForServicesOrClaims to us-gaap_IssuanceOfStockAndWarrantsForServicesOrClaims_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.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/2011/elts/us-gaap-2011-01-31.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/verboseLabel" 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/periodStartLabel" xlink:title="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl1" xml:lang="en-US" id="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl1"> Cash and cash equivalents - beginning of period </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/periodEndLabel" xlink:title="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl2" xml:lang="en-US" id="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl2"> Cash and cash equivalents - end of period </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:label xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl3" xml:lang="en-US" id="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl3"> Cash and Cash Equivalents, at Carrying Value </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_lbl3" xlink:title="label: CashAndCashEquivalentsAtCarryingValue to us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl3"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InterestPaid" xlink:label="InterestPaid" xlink:title="InterestPaid"/>
<link:label xlink:type="resource" xlink:label="us-gaap_InterestPaid_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="us-gaap_InterestPaid_lbl" xml:lang="en-US" id="us-gaap_InterestPaid_lbl"> Cash Paid for Interest </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InterestPaid" xlink:to="us-gaap_InterestPaid_lbl" xlink:title="label: InterestPaid to us-gaap_InterestPaid_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_InterestPaid_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_InterestPaid_lbl1" xml:lang="en-US" id="us-gaap_InterestPaid_lbl1"> Interest Paid </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InterestPaid" xlink:to="us-gaap_InterestPaid_lbl1" xlink:title="label: InterestPaid to us-gaap_InterestPaid_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:label="IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:title="IncreaseDecreaseInAccountsPayableAndAccruedLiabilities"/>
<link:label xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_lbl" xml:lang="en-US" id="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_lbl"> Increase (decrease ) in accounts payable, accrued expenses and deferred rent </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:to="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_lbl" xlink:title="label: IncreaseDecreaseInAccountsPayableAndAccruedLiabilities to us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_lbl1" xml:lang="en-US" id="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_lbl1"> Increase (Decrease) in Accounts Payable and Accrued Liabilities </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:to="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_lbl1" xlink:title="label: IncreaseDecreaseInAccountsPayableAndAccruedLiabilities to us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" xlink:label="IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" xlink:title="IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets"/>
<link:label xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_lbl" xml:lang="en-US" id="us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_lbl"> (Increase) decrease in 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="IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" xlink:to="us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_lbl" xlink:title="label: IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets to us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_lbl1" xml:lang="en-US" id="us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_lbl1"> Increase (Decrease) in Prepaid Expense and Other Assets </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" xlink:to="us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_lbl1" xlink:title="label: IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets to us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureTextBlock" xlink:label="CommitmentsAndContingenciesDisclosureTextBlock" xlink:title="CommitmentsAndContingenciesDisclosureTextBlock"/>
<link:label xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_lbl" xml:lang="en-US" id="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_lbl"> COMMITMENTS AND CONTINGENCIES </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CommitmentsAndContingenciesDisclosureTextBlock" xlink:to="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_lbl" xlink:title="label: CommitmentsAndContingenciesDisclosureTextBlock to us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_lbl1" xml:lang="en-US" id="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_lbl1"> Commitments and Contingencies Disclosure [Text Block] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CommitmentsAndContingenciesDisclosureTextBlock" xlink:to="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_lbl1" xlink:title="label: CommitmentsAndContingenciesDisclosureTextBlock to us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.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, 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/2011/elts/us-gaap-2011-01-31.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, 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/2011/elts/us-gaap-2011-01-31.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/label" xlink:title="us-gaap_CommonStockSharesOutstanding_lbl" xml:lang="en-US" id="us-gaap_CommonStockSharesOutstanding_lbl"> Common Stock, 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_lbl" xlink:title="label: CommonStockSharesOutstanding to us-gaap_CommonStockSharesOutstanding_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.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 ($0.001 par value; 250,000 shares authorized; 106,000 and 81,000 issued and outstanding at December 31, 2011 and December 31, 2010) </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:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:label="LiabilitiesCurrent" xlink:title="LiabilitiesCurrent"/>
<link:label xlink:type="resource" xlink:label="us-gaap_LiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="us-gaap_LiabilitiesCurrent_lbl" xml:lang="en-US" id="us-gaap_LiabilitiesCurrent_lbl"> Total current liabilities </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LiabilitiesCurrent" xlink:to="us-gaap_LiabilitiesCurrent_lbl" xlink:title="label: LiabilitiesCurrent to us-gaap_LiabilitiesCurrent_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_LiabilitiesCurrent_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_LiabilitiesCurrent_lbl1" xml:lang="en-US" id="us-gaap_LiabilitiesCurrent_lbl1"> Liabilities, Current </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LiabilitiesCurrent" xlink:to="us-gaap_LiabilitiesCurrent_lbl1" xlink:title="label: LiabilitiesCurrent to us-gaap_LiabilitiesCurrent_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LiabilitiesCurrentAbstract" xlink:label="LiabilitiesCurrentAbstract" xlink:title="LiabilitiesCurrentAbstract"/>
<link:label xlink:type="resource" xlink:label="us-gaap_LiabilitiesCurrentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_LiabilitiesCurrentAbstract_lbl" xml:lang="en-US" id="us-gaap_LiabilitiesCurrentAbstract_lbl"> Current Liabilities: </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LiabilitiesCurrentAbstract" xlink:to="us-gaap_LiabilitiesCurrentAbstract_lbl" xlink:title="label: LiabilitiesCurrentAbstract to us-gaap_LiabilitiesCurrentAbstract_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtDisclosureTextBlock" xlink:label="DebtDisclosureTextBlock" xlink:title="DebtDisclosureTextBlock"/>
<link:label xlink:type="resource" xlink:label="us-gaap_DebtDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="us-gaap_DebtDisclosureTextBlock_lbl" xml:lang="en-US" id="us-gaap_DebtDisclosureTextBlock_lbl"> DEBT </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DebtDisclosureTextBlock" xlink:to="us-gaap_DebtDisclosureTextBlock_lbl" xlink:title="label: DebtDisclosureTextBlock to us-gaap_DebtDisclosureTextBlock_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_DebtDisclosureTextBlock_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_DebtDisclosureTextBlock_lbl1" xml:lang="en-US" id="us-gaap_DebtDisclosureTextBlock_lbl1"> Debt Disclosure [Text Block] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DebtDisclosureTextBlock" xlink:to="us-gaap_DebtDisclosureTextBlock_lbl1" xlink:title="label: DebtDisclosureTextBlock to us-gaap_DebtDisclosureTextBlock_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeLossOnDerivative" xlink:label="DerivativeLossOnDerivative" xlink:title="DerivativeLossOnDerivative"/>
<link:label xlink:type="resource" xlink:label="us-gaap_DerivativeLossOnDerivative_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="us-gaap_DerivativeLossOnDerivative_lbl" xml:lang="en-US" id="us-gaap_DerivativeLossOnDerivative_lbl"> Loss on derivative instrument </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DerivativeLossOnDerivative" xlink:to="us-gaap_DerivativeLossOnDerivative_lbl" xlink:title="label: DerivativeLossOnDerivative to us-gaap_DerivativeLossOnDerivative_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_DerivativeLossOnDerivative_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_DerivativeLossOnDerivative_lbl1" xml:lang="en-US" id="us-gaap_DerivativeLossOnDerivative_lbl1"> Loss on derivative instruments </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DerivativeLossOnDerivative" xlink:to="us-gaap_DerivativeLossOnDerivative_lbl1" xlink:title="label: DerivativeLossOnDerivative to us-gaap_DerivativeLossOnDerivative_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock" xlink:label="DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock" xlink:title="DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock"/>
<link:label xlink:type="resource" xlink:label="us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock_lbl" xml:lang="en-US" id="us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock_lbl"> DERIVATIVE FINANCIAL INSTRUMENTS </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock" xlink:to="us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock_lbl" xlink:title="label: DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock to us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock_lbl1" xml:lang="en-US" id="us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock_lbl1"> Derivative Instruments and Hedging Activities Disclosure [Text Block] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock" xlink:to="us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock_lbl1" xlink:title="label: DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock to us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeLiabilitiesNoncurrent" xlink:label="DerivativeLiabilitiesNoncurrent" xlink:title="DerivativeLiabilitiesNoncurrent"/>
<link:label xlink:type="resource" xlink:label="us-gaap_DerivativeLiabilitiesNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_DerivativeLiabilitiesNoncurrent_lbl" xml:lang="en-US" id="us-gaap_DerivativeLiabilitiesNoncurrent_lbl"> Derivative liability </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DerivativeLiabilitiesNoncurrent" xlink:to="us-gaap_DerivativeLiabilitiesNoncurrent_lbl" xlink:title="label: DerivativeLiabilitiesNoncurrent to us-gaap_DerivativeLiabilitiesNoncurrent_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EarningsPerShareDiluted" xlink:label="EarningsPerShareDiluted" xlink:title="EarningsPerShareDiluted"/>
<link:label xlink:type="resource" xlink:label="us-gaap_EarningsPerShareDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_EarningsPerShareDiluted_lbl" xml:lang="en-US" id="us-gaap_EarningsPerShareDiluted_lbl"> Net loss per common share - basic and diluted (in dollars per share) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EarningsPerShareDiluted" xlink:to="us-gaap_EarningsPerShareDiluted_lbl" xlink:title="label: EarningsPerShareDiluted to us-gaap_EarningsPerShareDiluted_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensation" xlink:label="ShareBasedCompensation" xlink:title="ShareBasedCompensation"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ShareBasedCompensation_lbl" xml:lang="en-US" id="us-gaap_ShareBasedCompensation_lbl"> Stock-based compensation </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensation" xlink:to="us-gaap_ShareBasedCompensation_lbl" xlink:title="label: ShareBasedCompensation to us-gaap_ShareBasedCompensation_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FurnitureAndFixturesGross" xlink:label="FurnitureAndFixturesGross" xlink:title="FurnitureAndFixturesGross"/>
<link:label xlink:type="resource" xlink:label="us-gaap_FurnitureAndFixturesGross_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_FurnitureAndFixturesGross_lbl" xml:lang="en-US" id="us-gaap_FurnitureAndFixturesGross_lbl"> Office furniture and lab equipment </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FurnitureAndFixturesGross" xlink:to="us-gaap_FurnitureAndFixturesGross_lbl" xlink:title="label: FurnitureAndFixturesGross to us-gaap_FurnitureAndFixturesGross_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_GainLossOnSaleOfPropertyPlantEquipment" xlink:label="GainLossOnSaleOfPropertyPlantEquipment" xlink:title="GainLossOnSaleOfPropertyPlantEquipment"/>
<link:label xlink:type="resource" xlink:label="us-gaap_GainLossOnSaleOfPropertyPlantEquipment_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="us-gaap_GainLossOnSaleOfPropertyPlantEquipment_lbl" xml:lang="en-US" id="us-gaap_GainLossOnSaleOfPropertyPlantEquipment_lbl"> Loss on disposal of fixed assets </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="GainLossOnSaleOfPropertyPlantEquipment" xlink:to="us-gaap_GainLossOnSaleOfPropertyPlantEquipment_lbl" xlink:title="label: GainLossOnSaleOfPropertyPlantEquipment to us-gaap_GainLossOnSaleOfPropertyPlantEquipment_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_GainLossOnSaleOfPropertyPlantEquipment_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_GainLossOnSaleOfPropertyPlantEquipment_lbl1" xml:lang="en-US" id="us-gaap_GainLossOnSaleOfPropertyPlantEquipment_lbl1"> Gain (Loss) on Sale of Property Plant Equipment </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="GainLossOnSaleOfPropertyPlantEquipment" xlink:to="us-gaap_GainLossOnSaleOfPropertyPlantEquipment_lbl1" xlink:title="label: GainLossOnSaleOfPropertyPlantEquipment to us-gaap_GainLossOnSaleOfPropertyPlantEquipment_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeStatementAbstract" xlink:label="IncomeStatementAbstract" xlink:title="IncomeStatementAbstract"/>
<link:label xlink:type="resource" xlink:label="us-gaap_IncomeStatementAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_IncomeStatementAbstract_lbl" xml:lang="en-US" id="us-gaap_IncomeStatementAbstract_lbl"> CONSOLIDATED STATEMENTS OF OPERATIONS [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IncomeStatementAbstract" xlink:to="us-gaap_IncomeStatementAbstract_lbl" xlink:title="label: IncomeStatementAbstract to us-gaap_IncomeStatementAbstract_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeTaxDisclosureTextBlock" xlink:label="IncomeTaxDisclosureTextBlock" xlink:title="IncomeTaxDisclosureTextBlock"/>
<link:label xlink:type="resource" xlink:label="us-gaap_IncomeTaxDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="us-gaap_IncomeTaxDisclosureTextBlock_lbl" xml:lang="en-US" id="us-gaap_IncomeTaxDisclosureTextBlock_lbl"> PROVISION FOR INCOME TAXES </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IncomeTaxDisclosureTextBlock" xlink:to="us-gaap_IncomeTaxDisclosureTextBlock_lbl" xlink:title="label: IncomeTaxDisclosureTextBlock to us-gaap_IncomeTaxDisclosureTextBlock_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_IncomeTaxDisclosureTextBlock_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_IncomeTaxDisclosureTextBlock_lbl1" xml:lang="en-US" id="us-gaap_IncomeTaxDisclosureTextBlock_lbl1"> Income Tax Disclosure [Text Block] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IncomeTaxDisclosureTextBlock" xlink:to="us-gaap_IncomeTaxDisclosureTextBlock_lbl1" xlink:title="label: IncomeTaxDisclosureTextBlock to us-gaap_IncomeTaxDisclosureTextBlock_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InterestExpense" xlink:label="InterestExpense" xlink:title="InterestExpense"/>
<link:label xlink:type="resource" xlink:label="us-gaap_InterestExpense_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="us-gaap_InterestExpense_lbl" xml:lang="en-US" id="us-gaap_InterestExpense_lbl"> Interest expense </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InterestExpense" xlink:to="us-gaap_InterestExpense_lbl" xlink:title="label: InterestExpense to us-gaap_InterestExpense_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_InterestExpense_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_InterestExpense_lbl1" xml:lang="en-US" id="us-gaap_InterestExpense_lbl1"> Interest Expense </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InterestExpense" xlink:to="us-gaap_InterestExpense_lbl1" xlink:title="label: InterestExpense to us-gaap_InterestExpense_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock" xlink:label="InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock" xlink:title="InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock"/>
<link:label xlink:type="resource" xlink:label="us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock_lbl" xml:lang="en-US" id="us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock_lbl"> INVESTMENTS </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock" xlink:to="us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock_lbl" xlink:title="label: InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock to us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock_lbl1" xml:lang="en-US" id="us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock_lbl1"> Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock" xlink:to="us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock_lbl1" xlink:title="label: InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock to us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_Liabilities" xlink:label="Liabilities" xlink:title="Liabilities"/>
<link:label xlink:type="resource" xlink:label="us-gaap_Liabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="us-gaap_Liabilities_lbl" xml:lang="en-US" id="us-gaap_Liabilities_lbl"> Total liabilities </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="Liabilities" xlink:to="us-gaap_Liabilities_lbl" xlink:title="label: Liabilities to us-gaap_Liabilities_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_Liabilities_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_Liabilities_lbl1" xml:lang="en-US" id="us-gaap_Liabilities_lbl1"> Liabilities </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="Liabilities" xlink:to="us-gaap_Liabilities_lbl1" xlink:title="label: Liabilities to us-gaap_Liabilities_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="LiabilitiesAndStockholdersEquity" xlink:title="LiabilitiesAndStockholdersEquity"/>
<link:label xlink:type="resource" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="us-gaap_LiabilitiesAndStockholdersEquity_lbl" xml:lang="en-US" id="us-gaap_LiabilitiesAndStockholdersEquity_lbl"> TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LiabilitiesAndStockholdersEquity" xlink:to="us-gaap_LiabilitiesAndStockholdersEquity_lbl" xlink:title="label: LiabilitiesAndStockholdersEquity to us-gaap_LiabilitiesAndStockholdersEquity_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_LiabilitiesAndStockholdersEquity_lbl1" xml:lang="en-US" id="us-gaap_LiabilitiesAndStockholdersEquity_lbl1"> Liabilities and Equity </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LiabilitiesAndStockholdersEquity" xlink:to="us-gaap_LiabilitiesAndStockholdersEquity_lbl1" xlink:title="label: LiabilitiesAndStockholdersEquity to us-gaap_LiabilitiesAndStockholdersEquity_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:label="LiabilitiesAndStockholdersEquityAbstract" xlink:title="LiabilitiesAndStockholdersEquityAbstract"/>
<link:label xlink:type="resource" xlink:label="us-gaap_LiabilitiesAndStockholdersEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_LiabilitiesAndStockholdersEquityAbstract_lbl" xml:lang="en-US" id="us-gaap_LiabilitiesAndStockholdersEquityAbstract_lbl"> LIABILITIES AND STOCKHOLDERS' EQUITY </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LiabilitiesAndStockholdersEquityAbstract" xlink:to="us-gaap_LiabilitiesAndStockholdersEquityAbstract_lbl" xlink:title="label: LiabilitiesAndStockholdersEquityAbstract to us-gaap_LiabilitiesAndStockholdersEquityAbstract_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LongTermDebtCurrent" xlink:label="LongTermDebtCurrent" xlink:title="LongTermDebtCurrent"/>
<link:label xlink:type="resource" xlink:label="us-gaap_LongTermDebtCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_LongTermDebtCurrent_lbl" xml:lang="en-US" id="us-gaap_LongTermDebtCurrent_lbl"> Current portion of long-term debt </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LongTermDebtCurrent" xlink:to="us-gaap_LongTermDebtCurrent_lbl" xlink:title="label: LongTermDebtCurrent to us-gaap_LongTermDebtCurrent_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LongTermDebtNoncurrent" xlink:label="LongTermDebtNoncurrent" xlink:title="LongTermDebtNoncurrent"/>
<link:label xlink:type="resource" xlink:label="us-gaap_LongTermDebtNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_LongTermDebtNoncurrent_lbl" xml:lang="en-US" id="us-gaap_LongTermDebtNoncurrent_lbl"> Long-term debt, less current portion </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LongTermDebtNoncurrent" xlink:to="us-gaap_LongTermDebtNoncurrent_lbl" xlink:title="label: LongTermDebtNoncurrent to us-gaap_LongTermDebtNoncurrent_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LongTermInvestments" xlink:label="LongTermInvestments" xlink:title="LongTermInvestments"/>
<link:label xlink:type="resource" xlink:label="us-gaap_LongTermInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_LongTermInvestments_lbl" xml:lang="en-US" id="us-gaap_LongTermInvestments_lbl"> Long-term investments </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LongTermInvestments" xlink:to="us-gaap_LongTermInvestments_lbl" xlink:title="label: LongTermInvestments to us-gaap_LongTermInvestments_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.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/2011/elts/us-gaap-2011-01-31.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/2011/elts/us-gaap-2011-01-31.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/2011/elts/us-gaap-2011-01-31.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/2011/elts/us-gaap-2011-01-31.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/2011/elts/us-gaap-2011-01-31.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/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromRepaymentsOfDebt" xlink:label="ProceedsFromRepaymentsOfDebt" xlink:title="ProceedsFromRepaymentsOfDebt"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ProceedsFromRepaymentsOfDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ProceedsFromRepaymentsOfDebt_lbl" xml:lang="en-US" id="us-gaap_ProceedsFromRepaymentsOfDebt_lbl"> Proceeds from issuance of debt, net of issue costs </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ProceedsFromRepaymentsOfDebt" xlink:to="us-gaap_ProceedsFromRepaymentsOfDebt_lbl" xlink:title="label: ProceedsFromRepaymentsOfDebt to us-gaap_ProceedsFromRepaymentsOfDebt_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.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/totalLabel" 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/verboseLabel" 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 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/2011/elts/us-gaap-2011-01-31.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/label" xlink:title="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_lbl" xml:lang="en-US" id="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_lbl"> Net loss attributable 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:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.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/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NonoperatingIncomeExpense" xlink:label="NonoperatingIncomeExpense" xlink:title="NonoperatingIncomeExpense"/>
<link:label xlink:type="resource" xlink:label="us-gaap_NonoperatingIncomeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="us-gaap_NonoperatingIncomeExpense_lbl" xml:lang="en-US" id="us-gaap_NonoperatingIncomeExpense_lbl"> Total other income (expense) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NonoperatingIncomeExpense" xlink:to="us-gaap_NonoperatingIncomeExpense_lbl" xlink:title="label: NonoperatingIncomeExpense to us-gaap_NonoperatingIncomeExpense_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_NonoperatingIncomeExpense_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_NonoperatingIncomeExpense_lbl1" xml:lang="en-US" id="us-gaap_NonoperatingIncomeExpense_lbl1"> Nonoperating Income (Expense) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NonoperatingIncomeExpense" xlink:to="us-gaap_NonoperatingIncomeExpense_lbl1" xlink:title="label: NonoperatingIncomeExpense to us-gaap_NonoperatingIncomeExpense_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RevenuesAbstract" xlink:label="RevenuesAbstract" xlink:title="RevenuesAbstract"/>
<link:label xlink:type="resource" xlink:label="us-gaap_RevenuesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_RevenuesAbstract_lbl" xml:lang="en-US" id="us-gaap_RevenuesAbstract_lbl"> Revenues: </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RevenuesAbstract" xlink:to="us-gaap_RevenuesAbstract_lbl" xlink:title="label: RevenuesAbstract to us-gaap_RevenuesAbstract_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock" xlink:label="OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock" xlink:title="OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock"/>
<link:label xlink:type="resource" xlink:label="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock_lbl" xml:lang="en-US" id="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock_lbl"> ORGANIZATION AND BUSINESS ACTIVITIES </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock" xlink:to="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock_lbl" xlink:title="label: OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock to us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock_lbl1" xml:lang="en-US" id="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock_lbl1"> Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock" xlink:to="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock_lbl1" xlink:title="label: OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock to us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax" xlink:label="OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax" xlink:title="OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax"/>
<link:label xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_lbl" xml:lang="en-US" id="us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_lbl"> Unrealized gain (loss) on available on sale securities </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax" xlink:to="us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_lbl" xlink:title="label: OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax to us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_lbl1" xml:lang="en-US" id="us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_lbl1"> Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax" xlink:to="us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_lbl1" xlink:title="label: OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax to us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherNonoperatingIncomeExpenseAbstract" xlink:label="OtherNonoperatingIncomeExpenseAbstract" xlink:title="OtherNonoperatingIncomeExpenseAbstract"/>
<link:label xlink:type="resource" xlink:label="us-gaap_OtherNonoperatingIncomeExpenseAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_OtherNonoperatingIncomeExpenseAbstract_lbl" xml:lang="en-US" id="us-gaap_OtherNonoperatingIncomeExpenseAbstract_lbl"> Other Income and Expenses: </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherNonoperatingIncomeExpenseAbstract" xlink:to="us-gaap_OtherNonoperatingIncomeExpenseAbstract_lbl" xlink:title="label: OtherNonoperatingIncomeExpenseAbstract to us-gaap_OtherNonoperatingIncomeExpenseAbstract_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherNoncashIncome" xlink:label="OtherNoncashIncome" xlink:title="OtherNoncashIncome"/>
<link:label xlink:type="resource" xlink:label="us-gaap_OtherNoncashIncome_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="us-gaap_OtherNoncashIncome_lbl" xml:lang="en-US" id="us-gaap_OtherNoncashIncome_lbl"> Non-cash interest income </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherNoncashIncome" xlink:to="us-gaap_OtherNoncashIncome_lbl" xlink:title="label: OtherNoncashIncome to us-gaap_OtherNoncashIncome_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_OtherNoncashIncome_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_OtherNoncashIncome_lbl1" xml:lang="en-US" id="us-gaap_OtherNoncashIncome_lbl1"> Other Noncash Income </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherNoncashIncome" xlink:to="us-gaap_OtherNoncashIncome_lbl1" xlink:title="label: OtherNoncashIncome to us-gaap_OtherNoncashIncome_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.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, 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/2011/elts/us-gaap-2011-01-31.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, 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/2011/elts/us-gaap-2011-01-31.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, 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/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PreferredStockDividendsAndOtherAdjustments" xlink:label="PreferredStockDividendsAndOtherAdjustments" xlink:title="PreferredStockDividendsAndOtherAdjustments"/>
<link:label xlink:type="resource" xlink:label="us-gaap_PreferredStockDividendsAndOtherAdjustments_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="us-gaap_PreferredStockDividendsAndOtherAdjustments_lbl" xml:lang="en-US" id="us-gaap_PreferredStockDividendsAndOtherAdjustments_lbl"> Beneficial conversion feature on Series 2008 preferred stock, conversion inducement and dividends on Series 1 preferred stock </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PreferredStockDividendsAndOtherAdjustments" xlink:to="us-gaap_PreferredStockDividendsAndOtherAdjustments_lbl" xlink:title="label: PreferredStockDividendsAndOtherAdjustments to us-gaap_PreferredStockDividendsAndOtherAdjustments_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_PreferredStockDividendsAndOtherAdjustments_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_PreferredStockDividendsAndOtherAdjustments_lbl1" xml:lang="en-US" id="us-gaap_PreferredStockDividendsAndOtherAdjustments_lbl1"> Preferred Stock Dividends and Other Adjustments </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PreferredStockDividendsAndOtherAdjustments" xlink:to="us-gaap_PreferredStockDividendsAndOtherAdjustments_lbl1" xlink:title="label: PreferredStockDividendsAndOtherAdjustments to us-gaap_PreferredStockDividendsAndOtherAdjustments_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.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/2011/elts/us-gaap-2011-01-31.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/label" xlink:title="us-gaap_ProceedsFromIssuanceOfCommonStock_lbl" xml:lang="en-US" id="us-gaap_ProceedsFromIssuanceOfCommonStock_lbl"> Proceeds from issuance of stock, net of financing costs </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:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.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/verboseLabel" xlink:title="us-gaap_ProceedsFromStockOptionsExercised_lbl" xml:lang="en-US" id="us-gaap_ProceedsFromStockOptionsExercised_lbl"> Proceeds from warrant and stock option exercises </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:label xlink:type="resource" xlink:label="us-gaap_ProceedsFromStockOptionsExercised_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ProceedsFromStockOptionsExercised_lbl1" xml:lang="en-US" id="us-gaap_ProceedsFromStockOptionsExercised_lbl1"> Proceeds from Stock Options Exercised </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_lbl1" xlink:title="label: ProceedsFromStockOptionsExercised to us-gaap_ProceedsFromStockOptionsExercised_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.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"> Total property and equipment </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"> Property, Plant and Equipment, 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/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsToAcquireInvestments" xlink:label="PaymentsToAcquireInvestments" xlink:title="PaymentsToAcquireInvestments"/>
<link:label xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireInvestments_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="us-gaap_PaymentsToAcquireInvestments_lbl" xml:lang="en-US" id="us-gaap_PaymentsToAcquireInvestments_lbl"> Purchases of investments </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PaymentsToAcquireInvestments" xlink:to="us-gaap_PaymentsToAcquireInvestments_lbl" xlink:title="label: PaymentsToAcquireInvestments to us-gaap_PaymentsToAcquireInvestments_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireInvestments_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_PaymentsToAcquireInvestments_lbl1" xml:lang="en-US" id="us-gaap_PaymentsToAcquireInvestments_lbl1"> Payments to Acquire Investments </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PaymentsToAcquireInvestments" xlink:to="us-gaap_PaymentsToAcquireInvestments_lbl1" xlink:title="label: PaymentsToAcquireInvestments to us-gaap_PaymentsToAcquireInvestments_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.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"> Cash paid for property 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_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/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RepaymentsOfLongTermCapitalLeaseObligations" xlink:label="RepaymentsOfLongTermCapitalLeaseObligations" xlink:title="RepaymentsOfLongTermCapitalLeaseObligations"/>
<link:label xlink:type="resource" xlink:label="us-gaap_RepaymentsOfLongTermCapitalLeaseObligations_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="us-gaap_RepaymentsOfLongTermCapitalLeaseObligations_lbl" xml:lang="en-US" id="us-gaap_RepaymentsOfLongTermCapitalLeaseObligations_lbl"> Principal payments on capital lease obligations </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RepaymentsOfLongTermCapitalLeaseObligations" xlink:to="us-gaap_RepaymentsOfLongTermCapitalLeaseObligations_lbl" xlink:title="label: RepaymentsOfLongTermCapitalLeaseObligations to us-gaap_RepaymentsOfLongTermCapitalLeaseObligations_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_RepaymentsOfLongTermCapitalLeaseObligations_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_RepaymentsOfLongTermCapitalLeaseObligations_lbl1" xml:lang="en-US" id="us-gaap_RepaymentsOfLongTermCapitalLeaseObligations_lbl1"> Repayments of Long-term Capital Lease Obligations </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RepaymentsOfLongTermCapitalLeaseObligations" xlink:to="us-gaap_RepaymentsOfLongTermCapitalLeaseObligations_lbl1" xlink:title="label: RepaymentsOfLongTermCapitalLeaseObligations to us-gaap_RepaymentsOfLongTermCapitalLeaseObligations_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RepaymentsOfLongTermDebt" xlink:label="RepaymentsOfLongTermDebt" xlink:title="RepaymentsOfLongTermDebt"/>
<link:label xlink:type="resource" xlink:label="us-gaap_RepaymentsOfLongTermDebt_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="us-gaap_RepaymentsOfLongTermDebt_lbl" xml:lang="en-US" id="us-gaap_RepaymentsOfLongTermDebt_lbl"> Principal payments on debt obligations </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RepaymentsOfLongTermDebt" xlink:to="us-gaap_RepaymentsOfLongTermDebt_lbl" xlink:title="label: RepaymentsOfLongTermDebt to us-gaap_RepaymentsOfLongTermDebt_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_RepaymentsOfLongTermDebt_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_RepaymentsOfLongTermDebt_lbl1" xml:lang="en-US" id="us-gaap_RepaymentsOfLongTermDebt_lbl1"> Repayments of Long-term Debt </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RepaymentsOfLongTermDebt" xlink:to="us-gaap_RepaymentsOfLongTermDebt_lbl1" xlink:title="label: RepaymentsOfLongTermDebt to us-gaap_RepaymentsOfLongTermDebt_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.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"> Deficit accumulated during the development stage </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/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromSaleMaturityAndCollectionsOfInvestments" xlink:label="ProceedsFromSaleMaturityAndCollectionsOfInvestments" xlink:title="ProceedsFromSaleMaturityAndCollectionsOfInvestments"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ProceedsFromSaleMaturityAndCollectionsOfInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ProceedsFromSaleMaturityAndCollectionsOfInvestments_lbl" xml:lang="en-US" id="us-gaap_ProceedsFromSaleMaturityAndCollectionsOfInvestments_lbl"> Proceeds from maturities of investments </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ProceedsFromSaleMaturityAndCollectionsOfInvestments" xlink:to="us-gaap_ProceedsFromSaleMaturityAndCollectionsOfInvestments_lbl" xlink:title="label: ProceedsFromSaleMaturityAndCollectionsOfInvestments to us-gaap_ProceedsFromSaleMaturityAndCollectionsOfInvestments_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.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/totalLabel" 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:label xlink:type="resource" xlink:label="us-gaap_SalesRevenueNet_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_SalesRevenueNet_lbl1" xml:lang="en-US" id="us-gaap_SalesRevenueNet_lbl1"> Revenue, Net </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_lbl1" xlink:title="label: SalesRevenueNet to us-gaap_SalesRevenueNet_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpense" xlink:label="SellingGeneralAndAdministrativeExpense" xlink:title="SellingGeneralAndAdministrativeExpense"/>
<link:label xlink:type="resource" xlink:label="us-gaap_SellingGeneralAndAdministrativeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="us-gaap_SellingGeneralAndAdministrativeExpense_lbl" xml:lang="en-US" id="us-gaap_SellingGeneralAndAdministrativeExpense_lbl"> General and administrative </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SellingGeneralAndAdministrativeExpense" xlink:to="us-gaap_SellingGeneralAndAdministrativeExpense_lbl" xlink:title="label: SellingGeneralAndAdministrativeExpense to us-gaap_SellingGeneralAndAdministrativeExpense_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_SellingGeneralAndAdministrativeExpense_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_SellingGeneralAndAdministrativeExpense_lbl1" xml:lang="en-US" id="us-gaap_SellingGeneralAndAdministrativeExpense_lbl1"> Selling, General and Administrative Expense </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SellingGeneralAndAdministrativeExpense" xlink:to="us-gaap_SellingGeneralAndAdministrativeExpense_lbl1" xlink:title="label: SellingGeneralAndAdministrativeExpense to us-gaap_SellingGeneralAndAdministrativeExpense_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShortTermInvestments" xlink:label="ShortTermInvestments" xlink:title="ShortTermInvestments"/>
<link:label xlink:type="resource" xlink:label="us-gaap_ShortTermInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ShortTermInvestments_lbl" xml:lang="en-US" id="us-gaap_ShortTermInvestments_lbl"> Short-term investments </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShortTermInvestments" xlink:to="us-gaap_ShortTermInvestments_lbl" xlink:title="label: ShortTermInvestments to us-gaap_ShortTermInvestments_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.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/2011/elts/us-gaap-2011-01-31.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/2011/elts/us-gaap-2011-01-31.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 STATEMENT OF CHANGES IN 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/2011/elts/us-gaap-2011-01-31.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/verboseLabel" 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/label" 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/2011/elts/us-gaap-2011-01-31.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"> STOCKHOLDERS' EQUITY [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/2011/elts/us-gaap-2011-01-31.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"> STOCKHOLDERS' EQUITY </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/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SummaryOfDerivativeInstrumentsAbstract" xlink:label="SummaryOfDerivativeInstrumentsAbstract" xlink:title="SummaryOfDerivativeInstrumentsAbstract"/>
<link:label xlink:type="resource" xlink:label="us-gaap_SummaryOfDerivativeInstrumentsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_SummaryOfDerivativeInstrumentsAbstract_lbl" xml:lang="en-US" id="us-gaap_SummaryOfDerivativeInstrumentsAbstract_lbl"> DERIVATIVE FINANCIAL INSTRUMENTS [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SummaryOfDerivativeInstrumentsAbstract" xlink:to="us-gaap_SummaryOfDerivativeInstrumentsAbstract_lbl" xlink:title="label: SummaryOfDerivativeInstrumentsAbstract to us-gaap_SummaryOfDerivativeInstrumentsAbstract_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.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/2011/elts/us-gaap-2011-01-31.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/2011/elts/us-gaap-2011-01-31.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"> Weighted average common shares outstanding - basic and diluted (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="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommonStockMember" xlink:label="CommonStockMember" xlink:title="CommonStockMember"/>
<link:label xlink:type="resource" xlink:label="label_CommonStockMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_CommonStockMember" xml:lang="en-US" id="label_CommonStockMember"> 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="label_CommonStockMember" xlink:title="label: CommonStockMember to label_CommonStockMember"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNetAbstract" xlink:label="PropertyPlantAndEquipmentNetAbstract" xlink:title="PropertyPlantAndEquipmentNetAbstract"/>
<link:label xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentNetAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_PropertyPlantAndEquipmentNetAbstract_lbl" xml:lang="en-US" id="us-gaap_PropertyPlantAndEquipmentNetAbstract_lbl"> Property and Equipment: </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PropertyPlantAndEquipmentNetAbstract" xlink:to="us-gaap_PropertyPlantAndEquipmentNetAbstract_lbl" xlink:title="label: PropertyPlantAndEquipmentNetAbstract to us-gaap_PropertyPlantAndEquipmentNetAbstract_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.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/verboseLabel" 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:label xlink:type="resource" xlink:label="us-gaap_ResearchAndDevelopmentExpense_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ResearchAndDevelopmentExpense_lbl1" xml:lang="en-US" id="us-gaap_ResearchAndDevelopmentExpense_lbl1"> Research and Development Expense </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_lbl1" xlink:title="label: ResearchAndDevelopmentExpense to us-gaap_ResearchAndDevelopmentExpense_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PreferredStockMember" xlink:label="PreferredStockMember" xlink:title="PreferredStockMember"/>
<link:label xlink:type="resource" xlink:label="label_PreferredStockMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_PreferredStockMember" xml:lang="en-US" id="label_PreferredStockMember"> Preferred Stock [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PreferredStockMember" xlink:to="label_PreferredStockMember" xlink:title="label: PreferredStockMember to label_PreferredStockMember"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.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/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InvestmentIncomeInterest" xlink:label="InvestmentIncomeInterest" xlink:title="InvestmentIncomeInterest"/>
<link:label xlink:type="resource" xlink:label="us-gaap_InvestmentIncomeInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_InvestmentIncomeInterest_lbl" xml:lang="en-US" id="us-gaap_InvestmentIncomeInterest_lbl"> Interest income </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InvestmentIncomeInterest" xlink:to="us-gaap_InvestmentIncomeInterest_lbl" xlink:title="label: InvestmentIncomeInterest to us-gaap_InvestmentIncomeInterest_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementTable" xlink:label="StatementTable" xlink:title="StatementTable"/>
<link:label xlink:type="resource" xlink:label="label_StatementTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_StatementTable" xml:lang="en-US" id="label_StatementTable"> Statement [Table] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StatementTable" xlink:to="label_StatementTable" xlink:title="label: StatementTable to label_StatementTable"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_MachineryAndEquipmentGross" xlink:label="MachineryAndEquipmentGross" xlink:title="MachineryAndEquipmentGross"/>
<link:label xlink:type="resource" xlink:label="us-gaap_MachineryAndEquipmentGross_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_MachineryAndEquipmentGross_lbl" xml:lang="en-US" id="us-gaap_MachineryAndEquipmentGross_lbl"> Computers </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MachineryAndEquipmentGross" xlink:to="us-gaap_MachineryAndEquipmentGross_lbl" xlink:title="label: MachineryAndEquipmentGross to us-gaap_MachineryAndEquipmentGross_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.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/label" 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:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="StatementLineItems" xlink:title="StatementLineItems"/>
<link:label xlink:type="resource" xlink:label="lab_StatementLineItems_label_en-US" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="lab_StatementLineItems_label_en-US" xml:lang="en-US" id="lab_StatementLineItems_label_en-US"> 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="lab_StatementLineItems_label_en-US" xlink:title="label: StatementLineItems to lab_StatementLineItems_label_en-US"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueDisclosuresTextBlock" xlink:label="FairValueDisclosuresTextBlock" xlink:title="FairValueDisclosuresTextBlock"/>
<link:label xlink:type="resource" xlink:label="us-gaap_FairValueDisclosuresTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="us-gaap_FairValueDisclosuresTextBlock_lbl" xml:lang="en-US" id="us-gaap_FairValueDisclosuresTextBlock_lbl"> FAIR VALUE MEASUREMENTS </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FairValueDisclosuresTextBlock" xlink:to="us-gaap_FairValueDisclosuresTextBlock_lbl" xlink:title="label: FairValueDisclosuresTextBlock to us-gaap_FairValueDisclosuresTextBlock_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_FairValueDisclosuresTextBlock_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_FairValueDisclosuresTextBlock_lbl1" xml:lang="en-US" id="us-gaap_FairValueDisclosuresTextBlock_lbl1"> Fair Value Disclosures [Text Block] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FairValueDisclosuresTextBlock" xlink:to="us-gaap_FairValueDisclosuresTextBlock_lbl1" xlink:title="label: FairValueDisclosuresTextBlock to us-gaap_FairValueDisclosuresTextBlock_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.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 INFORMATION (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/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncreaseDecreaseInStockholdersEquityRollForward" xlink:label="IncreaseDecreaseInStockholdersEquityRollForward" xlink:title="IncreaseDecreaseInStockholdersEquityRollForward"/>
<link:label xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_lbl" xml:lang="en-US" id="us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_lbl"> Increase (Decrease) in Stockholders' Equity [Roll Forward] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IncreaseDecreaseInStockholdersEquityRollForward" xlink:to="us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_lbl" xlink:title="label: IncreaseDecreaseInStockholdersEquityRollForward to us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.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/verboseLabel" xlink:title="us-gaap_AdjustmentsToAdditionalPaidInCapitalWarrantIssued_lbl" xml:lang="en-US" id="us-gaap_AdjustmentsToAdditionalPaidInCapitalWarrantIssued_lbl"> Issuance of detachable warrants in connection with debt </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"> Issuance of Series D warrant </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/2011/elts/us-gaap-2011-01-31.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"> Long-term assets - other </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/2011/elts/us-gaap-2011-01-31.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"> Operating 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/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingExpenses" xlink:label="OperatingExpenses" xlink:title="OperatingExpenses"/>
<link:label xlink:type="resource" xlink:label="us-gaap_OperatingExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="us-gaap_OperatingExpenses_lbl" xml:lang="en-US" id="us-gaap_OperatingExpenses_lbl"> Total operating expenses </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingExpenses" xlink:to="us-gaap_OperatingExpenses_lbl" xlink:title="label: OperatingExpenses to us-gaap_OperatingExpenses_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_OperatingExpenses_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_OperatingExpenses_lbl1" xml:lang="en-US" id="us-gaap_OperatingExpenses_lbl1"> Operating Expenses </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingExpenses" xlink:to="us-gaap_OperatingExpenses_lbl1" xlink:title="label: OperatingExpenses to us-gaap_OperatingExpenses_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredRentCreditNoncurrent" xlink:label="DeferredRentCreditNoncurrent" xlink:title="DeferredRentCreditNoncurrent"/>
<link:label xlink:type="resource" xlink:label="us-gaap_DeferredRentCreditNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_DeferredRentCreditNoncurrent_lbl" xml:lang="en-US" id="us-gaap_DeferredRentCreditNoncurrent_lbl"> Deferred rent </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DeferredRentCreditNoncurrent" xlink:to="us-gaap_DeferredRentCreditNoncurrent_lbl" xlink:title="label: DeferredRentCreditNoncurrent to us-gaap_DeferredRentCreditNoncurrent_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.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/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherComprehensiveIncomeReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTax" xlink:label="OtherComprehensiveIncomeReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTax" xlink:title="OtherComprehensiveIncomeReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTax"/>
<link:label xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="us-gaap_OtherComprehensiveIncomeReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTax_lbl" xml:lang="en-US" id="us-gaap_OtherComprehensiveIncomeReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTax_lbl"> Reclassification of unrealized gains into net loss </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherComprehensiveIncomeReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTax" xlink:to="us-gaap_OtherComprehensiveIncomeReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTax_lbl" xlink:title="label: OtherComprehensiveIncomeReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTax to us-gaap_OtherComprehensiveIncomeReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTax_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTax_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_OtherComprehensiveIncomeReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTax_lbl1" xml:lang="en-US" id="us-gaap_OtherComprehensiveIncomeReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTax_lbl1"> Other Comprehensive Income (Loss), Reclassification Adjustment for Sale of Securities Included in Net Income, Net of Tax </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherComprehensiveIncomeReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTax" xlink:to="us-gaap_OtherComprehensiveIncomeReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTax_lbl1" xlink:title="label: OtherComprehensiveIncomeReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTax to us-gaap_OtherComprehensiveIncomeReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTax_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.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/periodStartLabel" 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/periodEndLabel" 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/2011/elts/us-gaap-2011-01-31.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 ($0.001 par value; 10,000 shares authorized; 0 issued and outstanding at December 31, 2011 and December 31, 2010) </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/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="StatementEquityComponentsAxis" xlink:title="StatementEquityComponentsAxis"/>
<link:label xlink:type="resource" xlink:label="label_StatementEquityComponentsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_StatementEquityComponentsAxis" xml:lang="en-US" id="label_StatementEquityComponentsAxis"> 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="label_StatementEquityComponentsAxis" xlink:title="label: StatementEquityComponentsAxis to label_StatementEquityComponentsAxis"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AdditionalPaidInCapitalMember" xlink:label="AdditionalPaidInCapitalMember" xlink:title="AdditionalPaidInCapitalMember"/>
<link:label xlink:type="resource" xlink:label="label_AdditionalPaidInCapitalMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_AdditionalPaidInCapitalMember" xml:lang="en-US" id="label_AdditionalPaidInCapitalMember"> 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="label_AdditionalPaidInCapitalMember" xlink:title="label: AdditionalPaidInCapitalMember to label_AdditionalPaidInCapitalMember"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RetainedEarningsMember" xlink:label="RetainedEarningsMember" xlink:title="RetainedEarningsMember"/>
<link:label xlink:type="resource" xlink:label="label_RetainedEarningsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_RetainedEarningsMember" xml:lang="en-US" id="label_RetainedEarningsMember"> 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="label_RetainedEarningsMember" xlink:title="label: RetainedEarningsMember to label_RetainedEarningsMember"/>
<link:label xlink:type="resource" xlink:label="label_RetainedEarningsMember1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_RetainedEarningsMember1" xml:lang="en-US" id="label_RetainedEarningsMember1"> Deficit Accumulated During the Development Stage [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RetainedEarningsMember" xlink:to="label_RetainedEarningsMember1" xlink:title="label: RetainedEarningsMember to label_RetainedEarningsMember1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember" xlink:label="AccumulatedNetUnrealizedInvestmentGainLossMember" xlink:title="AccumulatedNetUnrealizedInvestmentGainLossMember"/>
<link:label xlink:type="resource" xlink:label="label_AccumulatedNetUnrealizedInvestmentGainLossMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_AccumulatedNetUnrealizedInvestmentGainLossMember" xml:lang="en-US" id="label_AccumulatedNetUnrealizedInvestmentGainLossMember"> Accumulated Net Unrealized Investment Gain (Loss) [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AccumulatedNetUnrealizedInvestmentGainLossMember" xlink:to="label_AccumulatedNetUnrealizedInvestmentGainLossMember" xlink:title="label: AccumulatedNetUnrealizedInvestmentGainLossMember to label_AccumulatedNetUnrealizedInvestmentGainLossMember"/>
<link:label xlink:type="resource" xlink:label="label_AccumulatedNetUnrealizedInvestmentGainLossMember1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_AccumulatedNetUnrealizedInvestmentGainLossMember1" xml:lang="en-US" id="label_AccumulatedNetUnrealizedInvestmentGainLossMember1"> Unrealized Gain (Loss) on Available for Sale Securities [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AccumulatedNetUnrealizedInvestmentGainLossMember" xlink:to="label_AccumulatedNetUnrealizedInvestmentGainLossMember1" xlink:title="label: AccumulatedNetUnrealizedInvestmentGainLossMember to label_AccumulatedNetUnrealizedInvestmentGainLossMember1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="EquityComponentDomain" xlink:title="EquityComponentDomain"/>
<link:label xlink:type="resource" xlink:label="label_EquityComponentDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_EquityComponentDomain" xml:lang="en-US" id="label_EquityComponentDomain"> 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="label_EquityComponentDomain" xlink:title="label: EquityComponentDomain to label_EquityComponentDomain"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.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/2009/role/negatedLabel" xlink:title="us-gaap_CapitalExpendituresIncurredButNotYetPaid_lbl" xml:lang="en-US" id="us-gaap_CapitalExpendituresIncurredButNotYetPaid_lbl"> Capital expenditures acquired on account </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:label xlink:type="resource" xlink:label="us-gaap_CapitalExpendituresIncurredButNotYetPaid_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_CapitalExpendituresIncurredButNotYetPaid_lbl1" xml:lang="en-US" id="us-gaap_CapitalExpendituresIncurredButNotYetPaid_lbl1"> Capital Expenditures Incurred but Not yet 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_lbl1" xlink:title="label: CapitalExpendituresIncurredButNotYetPaid to us-gaap_CapitalExpendituresIncurredButNotYetPaid_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaidInKindInterest" xlink:label="PaidInKindInterest" xlink:title="PaidInKindInterest"/>
<link:label xlink:type="resource" xlink:label="us-gaap_PaidInKindInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_PaidInKindInterest_lbl" xml:lang="en-US" id="us-gaap_PaidInKindInterest_lbl"> Non-cash interest expense </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PaidInKindInterest" xlink:to="us-gaap_PaidInKindInterest_lbl" xlink:title="label: PaidInKindInterest to us-gaap_PaidInKindInterest_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.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/verboseLabel" xlink:title="us-gaap_StockIssuedDuringPeriodValueNewIssues_lbl" xml:lang="en-US" id="us-gaap_StockIssuedDuringPeriodValueNewIssues_lbl"> Issuance of common stock </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 During Period, Value, New Issues </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/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures" xlink:label="StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures" xlink:title="StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures"/>
<link:label xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures_lbl" xml:lang="en-US" id="us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures_lbl"> Issuance of restricted common stock grants </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures" xlink:to="us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures_lbl" xlink:title="label: StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures to us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures_lbl1" xml:lang="en-US" id="us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures_lbl1"> Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures" xlink:to="us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures_lbl1" xlink:title="label: StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures to us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueAcquisitions" xlink:label="StockIssuedDuringPeriodValueAcquisitions" xlink:title="StockIssuedDuringPeriodValueAcquisitions"/>
<link:label xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueAcquisitions_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="us-gaap_StockIssuedDuringPeriodValueAcquisitions_lbl" xml:lang="en-US" id="us-gaap_StockIssuedDuringPeriodValueAcquisitions_lbl"> Issuance of common stock for net assets of PolyMedix, Inc. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodValueAcquisitions" xlink:to="us-gaap_StockIssuedDuringPeriodValueAcquisitions_lbl" xlink:title="label: StockIssuedDuringPeriodValueAcquisitions to us-gaap_StockIssuedDuringPeriodValueAcquisitions_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueAcquisitions_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_StockIssuedDuringPeriodValueAcquisitions_lbl1" xml:lang="en-US" id="us-gaap_StockIssuedDuringPeriodValueAcquisitions_lbl1"> Stock Issued During Period, Value, Acquisitions </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodValueAcquisitions" xlink:to="us-gaap_StockIssuedDuringPeriodValueAcquisitions_lbl1" xlink:title="label: StockIssuedDuringPeriodValueAcquisitions to us-gaap_StockIssuedDuringPeriodValueAcquisitions_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.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/verboseLabel" xlink:title="us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised_lbl" xml:lang="en-US" id="us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised_lbl"> Proceeds from exercise of common stock options </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/2011/elts/us-gaap-2011-01-31.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/verboseLabel" xlink:title="us-gaap_StockIssuedDuringPeriodSharesNewIssues_lbl" xml:lang="en-US" id="us-gaap_StockIssuedDuringPeriodSharesNewIssues_lbl"> Issuance of common stock (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"> Issuance of common stock (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:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures" xlink:label="StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures" xlink:title="StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures"/>
<link:label xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures_lbl" xml:lang="en-US" id="us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures_lbl"> Issuance of restricted common stock grants (in shares) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures" xlink:to="us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures_lbl" xlink:title="label: StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures to us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures_lbl1" xml:lang="en-US" id="us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures_lbl1"> Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures" xlink:to="us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures_lbl1" xlink:title="label: StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures to us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesAcquisitions" xlink:label="StockIssuedDuringPeriodSharesAcquisitions" xlink:title="StockIssuedDuringPeriodSharesAcquisitions"/>
<link:label xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesAcquisitions_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="us-gaap_StockIssuedDuringPeriodSharesAcquisitions_lbl" xml:lang="en-US" id="us-gaap_StockIssuedDuringPeriodSharesAcquisitions_lbl"> Issuance of common stock for net assets of PolyMedix, Inc. (in shares) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodSharesAcquisitions" xlink:to="us-gaap_StockIssuedDuringPeriodSharesAcquisitions_lbl" xlink:title="label: StockIssuedDuringPeriodSharesAcquisitions to us-gaap_StockIssuedDuringPeriodSharesAcquisitions_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesAcquisitions_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_StockIssuedDuringPeriodSharesAcquisitions_lbl1" xml:lang="en-US" id="us-gaap_StockIssuedDuringPeriodSharesAcquisitions_lbl1"> Stock Issued During Period, Shares, Acquisitions </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodSharesAcquisitions" xlink:to="us-gaap_StockIssuedDuringPeriodSharesAcquisitions_lbl1" xlink:title="label: StockIssuedDuringPeriodSharesAcquisitions to us-gaap_StockIssuedDuringPeriodSharesAcquisitions_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.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/verboseLabel" xlink:title="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_lbl" xml:lang="en-US" id="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_lbl"> Proceeds from exercise of common stock options (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/2003/role/label" xlink:title="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_lbl1" xml:lang="en-US" id="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_lbl1"> 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_lbl1" xlink:title="label: StockIssuedDuringPeriodSharesStockOptionsExercised to us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_GrantsReceivableCurrent" xlink:label="GrantsReceivableCurrent" xlink:title="GrantsReceivableCurrent"/>
<link:label xlink:type="resource" xlink:label="us-gaap_GrantsReceivableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_GrantsReceivableCurrent_lbl" xml:lang="en-US" id="us-gaap_GrantsReceivableCurrent_lbl"> Grant and contract receivable </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="GrantsReceivableCurrent" xlink:to="us-gaap_GrantsReceivableCurrent_lbl" xlink:title="label: GrantsReceivableCurrent to us-gaap_GrantsReceivableCurrent_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommitmentsAndContingencies" xlink:label="CommitmentsAndContingencies" xlink:title="CommitmentsAndContingencies"/>
<link:label xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingencies_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_CommitmentsAndContingencies_lbl" xml:lang="en-US" id="us-gaap_CommitmentsAndContingencies_lbl"> Commitments and contingencies </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CommitmentsAndContingencies" xlink:to="us-gaap_CommitmentsAndContingencies_lbl" xlink:title="label: CommitmentsAndContingencies to us-gaap_CommitmentsAndContingencies_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DividendsPreferredStockStock" xlink:label="DividendsPreferredStockStock" xlink:title="DividendsPreferredStockStock"/>
<link:label xlink:type="resource" xlink:label="us-gaap_DividendsPreferredStockStock_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="us-gaap_DividendsPreferredStockStock_lbl" xml:lang="en-US" id="us-gaap_DividendsPreferredStockStock_lbl"> Dividends paid on Series 1 preferred stock </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DividendsPreferredStockStock" xlink:to="us-gaap_DividendsPreferredStockStock_lbl" xlink:title="label: DividendsPreferredStockStock to us-gaap_DividendsPreferredStockStock_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_DividendsPreferredStockStock_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_DividendsPreferredStockStock_lbl1" xml:lang="en-US" id="us-gaap_DividendsPreferredStockStock_lbl1"> Dividends, Preferred Stock, Stock </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DividendsPreferredStockStock" xlink:to="us-gaap_DividendsPreferredStockStock_lbl1" xlink:title="label: DividendsPreferredStockStock to us-gaap_DividendsPreferredStockStock_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.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/2011/elts/us-gaap-2011-01-31.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/label" 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:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccruedLiabilitiesCurrent" xlink:label="AccruedLiabilitiesCurrent" xlink:title="AccruedLiabilitiesCurrent"/>
<link:label xlink:type="resource" xlink:label="us-gaap_AccruedLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_AccruedLiabilitiesCurrent_lbl" xml:lang="en-US" id="us-gaap_AccruedLiabilitiesCurrent_lbl"> Accrued expenses </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AccruedLiabilitiesCurrent" xlink:to="us-gaap_AccruedLiabilitiesCurrent_lbl" xlink:title="label: AccruedLiabilitiesCurrent to us-gaap_AccruedLiabilitiesCurrent_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PreferredStockDividendsShares" xlink:label="PreferredStockDividendsShares" xlink:title="PreferredStockDividendsShares"/>
<link:label xlink:type="resource" xlink:label="us-gaap_PreferredStockDividendsShares_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="us-gaap_PreferredStockDividendsShares_lbl" xml:lang="en-US" id="us-gaap_PreferredStockDividendsShares_lbl"> Dividends paid on Series 1 preferred stock (in shares) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PreferredStockDividendsShares" xlink:to="us-gaap_PreferredStockDividendsShares_lbl" xlink:title="label: PreferredStockDividendsShares to us-gaap_PreferredStockDividendsShares_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_PreferredStockDividendsShares_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_PreferredStockDividendsShares_lbl1" xml:lang="en-US" id="us-gaap_PreferredStockDividendsShares_lbl1"> Preferred Stock Dividends, Shares </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PreferredStockDividendsShares" xlink:to="us-gaap_PreferredStockDividendsShares_lbl1" xlink:title="label: PreferredStockDividendsShares to us-gaap_PreferredStockDividendsShares_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.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 [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/2011/elts/us-gaap-2011-01-31.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"> ORGANIZATION AND BUSINESS ACTIVITIES [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/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract" xlink:label="InvestmentsDebtAndEquitySecuritiesAbstract" xlink:title="InvestmentsDebtAndEquitySecuritiesAbstract"/>
<link:label xlink:type="resource" xlink:label="us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract_lbl" xml:lang="en-US" id="us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract_lbl"> INVESTMENTS [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InvestmentsDebtAndEquitySecuritiesAbstract" xlink:to="us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract_lbl" xlink:title="label: InvestmentsDebtAndEquitySecuritiesAbstract to us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SharesOutstanding" xlink:label="SharesOutstanding" xlink:title="SharesOutstanding"/>
<link:label xlink:type="resource" xlink:label="us-gaap_SharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:title="us-gaap_SharesOutstanding_lbl" xml:lang="en-US" id="us-gaap_SharesOutstanding_lbl"> Balance (in shares) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SharesOutstanding" xlink:to="us-gaap_SharesOutstanding_lbl" xlink:title="label: SharesOutstanding to us-gaap_SharesOutstanding_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_SharesOutstanding_lbl1" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:title="us-gaap_SharesOutstanding_lbl1" xml:lang="en-US" id="us-gaap_SharesOutstanding_lbl1"> Balance (in shares) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SharesOutstanding" xlink:to="us-gaap_SharesOutstanding_lbl1" xlink:title="label: SharesOutstanding to us-gaap_SharesOutstanding_lbl1"/>
<link:label xlink:type="resource" xlink:label="us-gaap_SharesOutstanding_lbl2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_SharesOutstanding_lbl2" xml:lang="en-US" id="us-gaap_SharesOutstanding_lbl2"> Shares, Outstanding </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SharesOutstanding" xlink:to="us-gaap_SharesOutstanding_lbl2" xlink:title="label: SharesOutstanding to us-gaap_SharesOutstanding_lbl2"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:label="CommitmentsAndContingenciesDisclosureAbstract" xlink:title="CommitmentsAndContingenciesDisclosureAbstract"/>
<link:label xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_CommitmentsAndContingenciesDisclosureAbstract_lbl" xml:lang="en-US" id="us-gaap_CommitmentsAndContingenciesDisclosureAbstract_lbl"> COMMITMENTS AND CONTINGENCIES [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CommitmentsAndContingenciesDisclosureAbstract" xlink:to="us-gaap_CommitmentsAndContingenciesDisclosureAbstract_lbl" xlink:title="label: CommitmentsAndContingenciesDisclosureAbstract to us-gaap_CommitmentsAndContingenciesDisclosureAbstract_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:label="IncomeTaxDisclosureAbstract" xlink:title="IncomeTaxDisclosureAbstract"/>
<link:label xlink:type="resource" xlink:label="us-gaap_IncomeTaxDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_IncomeTaxDisclosureAbstract_lbl" xml:lang="en-US" id="us-gaap_IncomeTaxDisclosureAbstract_lbl"> PROVISION FOR INCOME TAXES [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IncomeTaxDisclosureAbstract" xlink:to="us-gaap_IncomeTaxDisclosureAbstract_lbl" xlink:title="label: IncomeTaxDisclosureAbstract to us-gaap_IncomeTaxDisclosureAbstract_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FairValueDisclosuresAbstract" xlink:label="FairValueDisclosuresAbstract" xlink:title="FairValueDisclosuresAbstract"/>
<link:label xlink:type="resource" xlink:label="us-gaap_FairValueDisclosuresAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_FairValueDisclosuresAbstract_lbl" xml:lang="en-US" id="us-gaap_FairValueDisclosuresAbstract_lbl"> FAIR VALUE MEASUREMENTS [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FairValueDisclosuresAbstract" xlink:to="us-gaap_FairValueDisclosuresAbstract_lbl" xlink:title="label: FairValueDisclosuresAbstract to us-gaap_FairValueDisclosuresAbstract_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.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 INFORMATION (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/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationNonvestedSharesRequisiteServicePeriodRecognition" xlink:label="AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationNonvestedSharesRequisiteServicePeriodRecognition" xlink:title="AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationNonvestedSharesRequisiteServicePeriodRecognition"/>
<link:label xlink:type="resource" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationNonvestedSharesRequisiteServicePeriodRecognition_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationNonvestedSharesRequisiteServicePeriodRecognition_lbl" xml:lang="en-US" id="us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationNonvestedSharesRequisiteServicePeriodRecognition_lbl"> Amortization of stock-based compensation </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationNonvestedSharesRequisiteServicePeriodRecognition" xlink:to="us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationNonvestedSharesRequisiteServicePeriodRecognition_lbl" xlink:title="label: AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationNonvestedSharesRequisiteServicePeriodRecognition to us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationNonvestedSharesRequisiteServicePeriodRecognition_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationNonvestedSharesRequisiteServicePeriodRecognition_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationNonvestedSharesRequisiteServicePeriodRecognition_lbl1" xml:lang="en-US" id="us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationNonvestedSharesRequisiteServicePeriodRecognition_lbl1"> Adjustments to Additional Paid in Capital, Share-based Compensation, Nonvested Shares, Requisite Service Period Recognition </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationNonvestedSharesRequisiteServicePeriodRecognition" xlink:to="us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationNonvestedSharesRequisiteServicePeriodRecognition_lbl1" xlink:title="label: AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationNonvestedSharesRequisiteServicePeriodRecognition to us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationNonvestedSharesRequisiteServicePeriodRecognition_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition" xlink:label="AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition" xlink:title="AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition"/>
<link:label xlink:type="resource" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition_lbl" xml:lang="en-US" id="us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition_lbl"> Issuance of stock option grants </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition" xlink:to="us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition_lbl" xlink:title="label: AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition to us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition_lbl"/>
<link:label xlink:type="resource" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition_lbl1" xml:lang="en-US" id="us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition_lbl1"> Adjustments to Additional Paid in Capital, Share-based Compensation, Stock Options, Requisite Service Period Recognition </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition" xlink:to="us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition_lbl1" xlink:title="label: AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition to us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition_lbl1"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.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.sec.gov/dei/2011/dei-2011-01-31.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/2011/dei-2011-01-31.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/2011/dei-2011-01-31.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/2011/dei-2011-01-31.xsd#dei_EntityTextBlock" xlink:label="EntityTextBlock" xlink:title="EntityTextBlock"/>
<link:label xlink:type="resource" xlink:label="dei_EntityTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="dei_EntityTextBlock_lbl" xml:lang="en-US" id="dei_EntityTextBlock_lbl"> Entity [Text Block] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EntityTextBlock" xlink:to="dei_EntityTextBlock_lbl" xlink:title="label: EntityTextBlock to dei_EntityTextBlock_lbl"/>
<link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.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/2011/dei-2011-01-31.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/2011/dei-2011-01-31.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/2011/dei-2011-01-31.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/2011/dei-2011-01-31.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/2011/dei-2011-01-31.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/2011/dei-2011-01-31.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/2011/dei-2011-01-31.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/2011/dei-2011-01-31.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/2011/dei-2011-01-31.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/2011/dei-2011-01-31.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="pymx-20111231.xsd#pymx_PrepaidExpensesAndOtherCurrentAssets" xlink:label="PrepaidExpensesAndOtherCurrentAssets" xlink:title="PrepaidExpensesAndOtherCurrentAssets"/>
<link:label xlink:type="resource" xlink:label="pymx_PrepaidExpensesAndOtherCurrentAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="pymx_PrepaidExpensesAndOtherCurrentAssets_lbl" xml:lang="en-US" id="pymx_PrepaidExpensesAndOtherCurrentAssets_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="PrepaidExpensesAndOtherCurrentAssets" xlink:to="pymx_PrepaidExpensesAndOtherCurrentAssets_lbl" xlink:title="label: PrepaidExpensesAndOtherCurrentAssets to pymx_PrepaidExpensesAndOtherCurrentAssets_lbl"/>
<link:label xlink:type="resource" xlink:label="pymx_PrepaidExpensesAndOtherCurrentAssets_lbl1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="pymx_PrepaidExpensesAndOtherCurrentAssets_lbl1" xml:lang="en-US" id="pymx_PrepaidExpensesAndOtherCurrentAssets_lbl1"> Sum of the amounts paid in advance for capitalized costs that will be expensed with the passage of time or the occurrence of a triggering event, and will be charged against earnings within one year or the normal operating cycle, if longer. And, aggregate carrying amount, as of the balance sheet date, of current assets not separately presented elsewhere in the balance sheet. Current assets are expected to be realized or consumed within one year (or 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="PrepaidExpensesAndOtherCurrentAssets" xlink:to="pymx_PrepaidExpensesAndOtherCurrentAssets_lbl1" xlink:title="label: PrepaidExpensesAndOtherCurrentAssets to pymx_PrepaidExpensesAndOtherCurrentAssets_lbl1"/>
<link:label xlink:type="resource" xlink:label="pymx_PrepaidExpensesAndOtherCurrentAssets_lbl2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="pymx_PrepaidExpensesAndOtherCurrentAssets_lbl2" xml:lang="en-US" id="pymx_PrepaidExpensesAndOtherCurrentAssets_lbl2"> 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="PrepaidExpensesAndOtherCurrentAssets" xlink:to="pymx_PrepaidExpensesAndOtherCurrentAssets_lbl2" xlink:title="label: PrepaidExpensesAndOtherCurrentAssets to pymx_PrepaidExpensesAndOtherCurrentAssets_lbl2"/>
<link:loc xlink:type="locator" xlink:href="pymx-20111231.xsd#pymx_AccruedFinancingCosts" xlink:label="AccruedFinancingCosts" xlink:title="AccruedFinancingCosts"/>
<link:label xlink:type="resource" xlink:label="pymx_AccruedFinancingCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="pymx_AccruedFinancingCosts_lbl" xml:lang="en-US" id="pymx_AccruedFinancingCosts_lbl"> Accrued financing costs </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AccruedFinancingCosts" xlink:to="pymx_AccruedFinancingCosts_lbl" xlink:title="label: AccruedFinancingCosts to pymx_AccruedFinancingCosts_lbl"/>
<link:label xlink:type="resource" xlink:label="pymx_AccruedFinancingCosts_lbl1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="pymx_AccruedFinancingCosts_lbl1" xml:lang="en-US" id="pymx_AccruedFinancingCosts_lbl1"> The amount of financing costs that were incurred during a noncash or partial noncash transaction. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AccruedFinancingCosts" xlink:to="pymx_AccruedFinancingCosts_lbl1" xlink:title="label: AccruedFinancingCosts to pymx_AccruedFinancingCosts_lbl1"/>
<link:loc xlink:type="locator" xlink:href="pymx-20111231.xsd#pymx_NonCashInvestingActivitiesAbstract" xlink:label="NonCashInvestingActivitiesAbstract" xlink:title="NonCashInvestingActivitiesAbstract"/>
<link:label xlink:type="resource" xlink:label="pymx_NonCashInvestingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="pymx_NonCashInvestingActivitiesAbstract_lbl" xml:lang="en-US" id="pymx_NonCashInvestingActivitiesAbstract_lbl"> Non-Cash Investing Activities [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NonCashInvestingActivitiesAbstract" xlink:to="pymx_NonCashInvestingActivitiesAbstract_lbl" xlink:title="label: NonCashInvestingActivitiesAbstract to pymx_NonCashInvestingActivitiesAbstract_lbl"/>
<link:label xlink:type="resource" xlink:label="pymx_NonCashInvestingActivitiesAbstract_lbl1" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="pymx_NonCashInvestingActivitiesAbstract_lbl1" xml:lang="en-US" id="pymx_NonCashInvestingActivitiesAbstract_lbl1"> Non-Cash Investing Activities: </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NonCashInvestingActivitiesAbstract" xlink:to="pymx_NonCashInvestingActivitiesAbstract_lbl1" xlink:title="label: NonCashInvestingActivitiesAbstract to pymx_NonCashInvestingActivitiesAbstract_lbl1"/>
<link:loc xlink:type="locator" xlink:href="pymx-20111231.xsd#pymx_NonCashFinancingActivitiesAbstract" xlink:label="NonCashFinancingActivitiesAbstract" xlink:title="NonCashFinancingActivitiesAbstract"/>
<link:label xlink:type="resource" xlink:label="pymx_NonCashFinancingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="pymx_NonCashFinancingActivitiesAbstract_lbl" xml:lang="en-US" id="pymx_NonCashFinancingActivitiesAbstract_lbl"> Non-Cash Financing Activities [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NonCashFinancingActivitiesAbstract" xlink:to="pymx_NonCashFinancingActivitiesAbstract_lbl" xlink:title="label: NonCashFinancingActivitiesAbstract to pymx_NonCashFinancingActivitiesAbstract_lbl"/>
<link:label xlink:type="resource" xlink:label="pymx_NonCashFinancingActivitiesAbstract_lbl1" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="pymx_NonCashFinancingActivitiesAbstract_lbl1" xml:lang="en-US" id="pymx_NonCashFinancingActivitiesAbstract_lbl1"> Non-Cash Financing Activities: </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NonCashFinancingActivitiesAbstract" xlink:to="pymx_NonCashFinancingActivitiesAbstract_lbl1" xlink:title="label: NonCashFinancingActivitiesAbstract to pymx_NonCashFinancingActivitiesAbstract_lbl1"/>
<link:loc xlink:type="locator" xlink:href="pymx-20111231.xsd#pymx_DebtAbstract" xlink:label="DebtAbstract" xlink:title="DebtAbstract"/>
<link:label xlink:type="resource" xlink:label="pymx_DebtAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="pymx_DebtAbstract_lbl" xml:lang="en-US" id="pymx_DebtAbstract_lbl"> Debt [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DebtAbstract" xlink:to="pymx_DebtAbstract_lbl" xlink:title="label: DebtAbstract to pymx_DebtAbstract_lbl"/>
<link:label xlink:type="resource" xlink:label="pymx_DebtAbstract_lbl1" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="pymx_DebtAbstract_lbl1" xml:lang="en-US" id="pymx_DebtAbstract_lbl1"> DEBT [Abstract] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DebtAbstract" xlink:to="pymx_DebtAbstract_lbl1" xlink:title="label: DebtAbstract to pymx_DebtAbstract_lbl1"/>
<link:loc xlink:type="locator" xlink:href="pymx-20111231.xsd#pymx_GrantAndContractRevenues" xlink:label="GrantAndContractRevenues" xlink:title="GrantAndContractRevenues"/>
<link:label xlink:type="resource" xlink:label="pymx_GrantAndContractRevenues_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="pymx_GrantAndContractRevenues_lbl" xml:lang="en-US" id="pymx_GrantAndContractRevenues_lbl"> Grant and contract revenues </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="GrantAndContractRevenues" xlink:to="pymx_GrantAndContractRevenues_lbl" xlink:title="label: GrantAndContractRevenues to pymx_GrantAndContractRevenues_lbl"/>
<link:label xlink:type="resource" xlink:label="pymx_GrantAndContractRevenues_lbl1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="pymx_GrantAndContractRevenues_lbl1" xml:lang="en-US" id="pymx_GrantAndContractRevenues_lbl1"> Revenue earned during the period from non-repayable sum of money awarded to an entity under the terms of governmental, corporate, or foundation grants. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="GrantAndContractRevenues" xlink:to="pymx_GrantAndContractRevenues_lbl1" xlink:title="label: GrantAndContractRevenues to pymx_GrantAndContractRevenues_lbl1"/>
<link:label xlink:type="resource" xlink:label="pymx_GrantAndContractRevenues_lbl2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="pymx_GrantAndContractRevenues_lbl2" xml:lang="en-US" id="pymx_GrantAndContractRevenues_lbl2"> Grant and research revenues </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="GrantAndContractRevenues" xlink:to="pymx_GrantAndContractRevenues_lbl2" xlink:title="label: GrantAndContractRevenues to pymx_GrantAndContractRevenues_lbl2"/>
<link:loc xlink:type="locator" xlink:href="pymx-20111231.xsd#pymx_StockIssuedDuringPeriodValueNewIssuesSeriesPreferred" xlink:label="StockIssuedDuringPeriodValueNewIssuesSeriesPreferred" xlink:title="StockIssuedDuringPeriodValueNewIssuesSeriesPreferred"/>
<link:label xlink:type="resource" xlink:label="pymx_StockIssuedDuringPeriodValueNewIssuesSeriesPreferred_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="pymx_StockIssuedDuringPeriodValueNewIssuesSeriesPreferred_lbl" xml:lang="en-US" id="pymx_StockIssuedDuringPeriodValueNewIssuesSeriesPreferred_lbl"> Stock Issued During Period Value New Issues Series A Preferred </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodValueNewIssuesSeriesPreferred" xlink:to="pymx_StockIssuedDuringPeriodValueNewIssuesSeriesPreferred_lbl" xlink:title="label: StockIssuedDuringPeriodValueNewIssuesSeriesPreferred to pymx_StockIssuedDuringPeriodValueNewIssuesSeriesPreferred_lbl"/>
<link:label xlink:type="resource" xlink:label="pymx_StockIssuedDuringPeriodValueNewIssuesSeriesPreferred_lbl1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="pymx_StockIssuedDuringPeriodValueNewIssuesSeriesPreferred_lbl1" xml:lang="en-US" id="pymx_StockIssuedDuringPeriodValueNewIssuesSeriesPreferred_lbl1"> Equity impact of the value of Series A preferred shares issued during the period. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodValueNewIssuesSeriesPreferred" xlink:to="pymx_StockIssuedDuringPeriodValueNewIssuesSeriesPreferred_lbl1" xlink:title="label: StockIssuedDuringPeriodValueNewIssuesSeriesPreferred to pymx_StockIssuedDuringPeriodValueNewIssuesSeriesPreferred_lbl1"/>
<link:label xlink:type="resource" xlink:label="pymx_StockIssuedDuringPeriodValueNewIssuesSeriesPreferred_lbl2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="pymx_StockIssuedDuringPeriodValueNewIssuesSeriesPreferred_lbl2" xml:lang="en-US" id="pymx_StockIssuedDuringPeriodValueNewIssuesSeriesPreferred_lbl2"> Issuance of Series A preferred stock </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodValueNewIssuesSeriesPreferred" xlink:to="pymx_StockIssuedDuringPeriodValueNewIssuesSeriesPreferred_lbl2" xlink:title="label: StockIssuedDuringPeriodValueNewIssuesSeriesPreferred to pymx_StockIssuedDuringPeriodValueNewIssuesSeriesPreferred_lbl2"/>
<link:loc xlink:type="locator" xlink:href="pymx-20111231.xsd#pymx_StockIssuedDuringPeriodSharesNewIssuesSeriesPreferred" xlink:label="StockIssuedDuringPeriodSharesNewIssuesSeriesPreferred" xlink:title="StockIssuedDuringPeriodSharesNewIssuesSeriesPreferred"/>
<link:label xlink:type="resource" xlink:label="pymx_StockIssuedDuringPeriodSharesNewIssuesSeriesPreferred_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="pymx_StockIssuedDuringPeriodSharesNewIssuesSeriesPreferred_lbl" xml:lang="en-US" id="pymx_StockIssuedDuringPeriodSharesNewIssuesSeriesPreferred_lbl"> Stock Issued During Period Shares New Issues Series A Preferred </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodSharesNewIssuesSeriesPreferred" xlink:to="pymx_StockIssuedDuringPeriodSharesNewIssuesSeriesPreferred_lbl" xlink:title="label: StockIssuedDuringPeriodSharesNewIssuesSeriesPreferred to pymx_StockIssuedDuringPeriodSharesNewIssuesSeriesPreferred_lbl"/>
<link:label xlink:type="resource" xlink:label="pymx_StockIssuedDuringPeriodSharesNewIssuesSeriesPreferred_lbl1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="pymx_StockIssuedDuringPeriodSharesNewIssuesSeriesPreferred_lbl1" xml:lang="en-US" id="pymx_StockIssuedDuringPeriodSharesNewIssuesSeriesPreferred_lbl1"> Number of Series A preferred shares issued during the period. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodSharesNewIssuesSeriesPreferred" xlink:to="pymx_StockIssuedDuringPeriodSharesNewIssuesSeriesPreferred_lbl1" xlink:title="label: StockIssuedDuringPeriodSharesNewIssuesSeriesPreferred to pymx_StockIssuedDuringPeriodSharesNewIssuesSeriesPreferred_lbl1"/>
<link:label xlink:type="resource" xlink:label="pymx_StockIssuedDuringPeriodSharesNewIssuesSeriesPreferred_lbl2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="pymx_StockIssuedDuringPeriodSharesNewIssuesSeriesPreferred_lbl2" xml:lang="en-US" id="pymx_StockIssuedDuringPeriodSharesNewIssuesSeriesPreferred_lbl2"> Issuance of Series A preferred stock (in shares) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodSharesNewIssuesSeriesPreferred" xlink:to="pymx_StockIssuedDuringPeriodSharesNewIssuesSeriesPreferred_lbl2" xlink:title="label: StockIssuedDuringPeriodSharesNewIssuesSeriesPreferred to pymx_StockIssuedDuringPeriodSharesNewIssuesSeriesPreferred_lbl2"/>
<link:loc xlink:type="locator" xlink:href="pymx-20111231.xsd#pymx_StockIssuedDuringPeriodSharesNewIssuesSeriesA1Preferred" xlink:label="StockIssuedDuringPeriodSharesNewIssuesSeriesA1Preferred" xlink:title="StockIssuedDuringPeriodSharesNewIssuesSeriesA1Preferred"/>
<link:label xlink:type="resource" xlink:label="pymx_StockIssuedDuringPeriodSharesNewIssuesSeriesA1Preferred_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="pymx_StockIssuedDuringPeriodSharesNewIssuesSeriesA1Preferred_lbl" xml:lang="en-US" id="pymx_StockIssuedDuringPeriodSharesNewIssuesSeriesA1Preferred_lbl"> Stock Issued During Period Shares New Issues Series A1 Preferred </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodSharesNewIssuesSeriesA1Preferred" xlink:to="pymx_StockIssuedDuringPeriodSharesNewIssuesSeriesA1Preferred_lbl" xlink:title="label: StockIssuedDuringPeriodSharesNewIssuesSeriesA1Preferred to pymx_StockIssuedDuringPeriodSharesNewIssuesSeriesA1Preferred_lbl"/>
<link:label xlink:type="resource" xlink:label="pymx_StockIssuedDuringPeriodSharesNewIssuesSeriesA1Preferred_lbl1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="pymx_StockIssuedDuringPeriodSharesNewIssuesSeriesA1Preferred_lbl1" xml:lang="en-US" id="pymx_StockIssuedDuringPeriodSharesNewIssuesSeriesA1Preferred_lbl1"> Number of Series A-1 preferred shares issued during the period. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodSharesNewIssuesSeriesA1Preferred" xlink:to="pymx_StockIssuedDuringPeriodSharesNewIssuesSeriesA1Preferred_lbl1" xlink:title="label: StockIssuedDuringPeriodSharesNewIssuesSeriesA1Preferred to pymx_StockIssuedDuringPeriodSharesNewIssuesSeriesA1Preferred_lbl1"/>
<link:label xlink:type="resource" xlink:label="pymx_StockIssuedDuringPeriodSharesNewIssuesSeriesA1Preferred_lbl2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="pymx_StockIssuedDuringPeriodSharesNewIssuesSeriesA1Preferred_lbl2" xml:lang="en-US" id="pymx_StockIssuedDuringPeriodSharesNewIssuesSeriesA1Preferred_lbl2"> Issuance of Series A-1 preferred stock (in shares) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodSharesNewIssuesSeriesA1Preferred" xlink:to="pymx_StockIssuedDuringPeriodSharesNewIssuesSeriesA1Preferred_lbl2" xlink:title="label: StockIssuedDuringPeriodSharesNewIssuesSeriesA1Preferred to pymx_StockIssuedDuringPeriodSharesNewIssuesSeriesA1Preferred_lbl2"/>
<link:loc xlink:type="locator" xlink:href="pymx-20111231.xsd#pymx_StockIssuedDuringPeriodValueNewIssuesSeriesA1Preferred" xlink:label="StockIssuedDuringPeriodValueNewIssuesSeriesA1Preferred" xlink:title="StockIssuedDuringPeriodValueNewIssuesSeriesA1Preferred"/>
<link:label xlink:type="resource" xlink:label="pymx_StockIssuedDuringPeriodValueNewIssuesSeriesA1Preferred_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="pymx_StockIssuedDuringPeriodValueNewIssuesSeriesA1Preferred_lbl" xml:lang="en-US" id="pymx_StockIssuedDuringPeriodValueNewIssuesSeriesA1Preferred_lbl"> Stock Issued During Period Value New Issues Series A1 Preferred </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodValueNewIssuesSeriesA1Preferred" xlink:to="pymx_StockIssuedDuringPeriodValueNewIssuesSeriesA1Preferred_lbl" xlink:title="label: StockIssuedDuringPeriodValueNewIssuesSeriesA1Preferred to pymx_StockIssuedDuringPeriodValueNewIssuesSeriesA1Preferred_lbl"/>
<link:label xlink:type="resource" xlink:label="pymx_StockIssuedDuringPeriodValueNewIssuesSeriesA1Preferred_lbl1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="pymx_StockIssuedDuringPeriodValueNewIssuesSeriesA1Preferred_lbl1" xml:lang="en-US" id="pymx_StockIssuedDuringPeriodValueNewIssuesSeriesA1Preferred_lbl1"> Equity impact of the value of Series A-1 preferred shares issued during the period </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodValueNewIssuesSeriesA1Preferred" xlink:to="pymx_StockIssuedDuringPeriodValueNewIssuesSeriesA1Preferred_lbl1" xlink:title="label: StockIssuedDuringPeriodValueNewIssuesSeriesA1Preferred to pymx_StockIssuedDuringPeriodValueNewIssuesSeriesA1Preferred_lbl1"/>
<link:label xlink:type="resource" xlink:label="pymx_StockIssuedDuringPeriodValueNewIssuesSeriesA1Preferred_lbl2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="pymx_StockIssuedDuringPeriodValueNewIssuesSeriesA1Preferred_lbl2" xml:lang="en-US" id="pymx_StockIssuedDuringPeriodValueNewIssuesSeriesA1Preferred_lbl2"> Issuance of Series A-1 preferred stock </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodValueNewIssuesSeriesA1Preferred" xlink:to="pymx_StockIssuedDuringPeriodValueNewIssuesSeriesA1Preferred_lbl2" xlink:title="label: StockIssuedDuringPeriodValueNewIssuesSeriesA1Preferred to pymx_StockIssuedDuringPeriodValueNewIssuesSeriesA1Preferred_lbl2"/>
<link:loc xlink:type="locator" xlink:href="pymx-20111231.xsd#pymx_StockIssuedDuringPeriodValueNewIssuesSeriesBPreferred" xlink:label="StockIssuedDuringPeriodValueNewIssuesSeriesBPreferred" xlink:title="StockIssuedDuringPeriodValueNewIssuesSeriesBPreferred"/>
<link:label xlink:type="resource" xlink:label="pymx_StockIssuedDuringPeriodValueNewIssuesSeriesBPreferred_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="pymx_StockIssuedDuringPeriodValueNewIssuesSeriesBPreferred_lbl" xml:lang="en-US" id="pymx_StockIssuedDuringPeriodValueNewIssuesSeriesBPreferred_lbl"> Stock Issued During Period Value New Issues Series B Preferred </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodValueNewIssuesSeriesBPreferred" xlink:to="pymx_StockIssuedDuringPeriodValueNewIssuesSeriesBPreferred_lbl" xlink:title="label: StockIssuedDuringPeriodValueNewIssuesSeriesBPreferred to pymx_StockIssuedDuringPeriodValueNewIssuesSeriesBPreferred_lbl"/>
<link:label xlink:type="resource" xlink:label="pymx_StockIssuedDuringPeriodValueNewIssuesSeriesBPreferred_lbl1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="pymx_StockIssuedDuringPeriodValueNewIssuesSeriesBPreferred_lbl1" xml:lang="en-US" id="pymx_StockIssuedDuringPeriodValueNewIssuesSeriesBPreferred_lbl1"> Equity impact of the value of Series B preferred shares issued during the period. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodValueNewIssuesSeriesBPreferred" xlink:to="pymx_StockIssuedDuringPeriodValueNewIssuesSeriesBPreferred_lbl1" xlink:title="label: StockIssuedDuringPeriodValueNewIssuesSeriesBPreferred to pymx_StockIssuedDuringPeriodValueNewIssuesSeriesBPreferred_lbl1"/>
<link:label xlink:type="resource" xlink:label="pymx_StockIssuedDuringPeriodValueNewIssuesSeriesBPreferred_lbl2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="pymx_StockIssuedDuringPeriodValueNewIssuesSeriesBPreferred_lbl2" xml:lang="en-US" id="pymx_StockIssuedDuringPeriodValueNewIssuesSeriesBPreferred_lbl2"> Issuance of Series B preferred stock </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodValueNewIssuesSeriesBPreferred" xlink:to="pymx_StockIssuedDuringPeriodValueNewIssuesSeriesBPreferred_lbl2" xlink:title="label: StockIssuedDuringPeriodValueNewIssuesSeriesBPreferred to pymx_StockIssuedDuringPeriodValueNewIssuesSeriesBPreferred_lbl2"/>
<link:loc xlink:type="locator" xlink:href="pymx-20111231.xsd#pymx_StockIssuedDuringPeriodSharesNewIssuesSeriesBPreferred" xlink:label="StockIssuedDuringPeriodSharesNewIssuesSeriesBPreferred" xlink:title="StockIssuedDuringPeriodSharesNewIssuesSeriesBPreferred"/>
<link:label xlink:type="resource" xlink:label="pymx_StockIssuedDuringPeriodSharesNewIssuesSeriesBPreferred_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="pymx_StockIssuedDuringPeriodSharesNewIssuesSeriesBPreferred_lbl" xml:lang="en-US" id="pymx_StockIssuedDuringPeriodSharesNewIssuesSeriesBPreferred_lbl"> Stock Issued During Period Shares New Issues Series B Preferred </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodSharesNewIssuesSeriesBPreferred" xlink:to="pymx_StockIssuedDuringPeriodSharesNewIssuesSeriesBPreferred_lbl" xlink:title="label: StockIssuedDuringPeriodSharesNewIssuesSeriesBPreferred to pymx_StockIssuedDuringPeriodSharesNewIssuesSeriesBPreferred_lbl"/>
<link:label xlink:type="resource" xlink:label="pymx_StockIssuedDuringPeriodSharesNewIssuesSeriesBPreferred_lbl1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="pymx_StockIssuedDuringPeriodSharesNewIssuesSeriesBPreferred_lbl1" xml:lang="en-US" id="pymx_StockIssuedDuringPeriodSharesNewIssuesSeriesBPreferred_lbl1"> Number of Series B preferred shares issued during the period. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodSharesNewIssuesSeriesBPreferred" xlink:to="pymx_StockIssuedDuringPeriodSharesNewIssuesSeriesBPreferred_lbl1" xlink:title="label: StockIssuedDuringPeriodSharesNewIssuesSeriesBPreferred to pymx_StockIssuedDuringPeriodSharesNewIssuesSeriesBPreferred_lbl1"/>
<link:label xlink:type="resource" xlink:label="pymx_StockIssuedDuringPeriodSharesNewIssuesSeriesBPreferred_lbl2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="pymx_StockIssuedDuringPeriodSharesNewIssuesSeriesBPreferred_lbl2" xml:lang="en-US" id="pymx_StockIssuedDuringPeriodSharesNewIssuesSeriesBPreferred_lbl2"> Issuance of Series B preferred stock (in shares) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodSharesNewIssuesSeriesBPreferred" xlink:to="pymx_StockIssuedDuringPeriodSharesNewIssuesSeriesBPreferred_lbl2" xlink:title="label: StockIssuedDuringPeriodSharesNewIssuesSeriesBPreferred to pymx_StockIssuedDuringPeriodSharesNewIssuesSeriesBPreferred_lbl2"/>
<link:loc xlink:type="locator" xlink:href="pymx-20111231.xsd#pymx_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsGrantedToNonEmployeesServicesRendered" xlink:label="AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsGrantedToNonEmployeesServicesRendered" xlink:title="AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsGrantedToNonEmployeesServicesRendered"/>
<link:label xlink:type="resource" xlink:label="pymx_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsGrantedToNonEmployeesServicesRendered_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="pymx_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsGrantedToNonEmployeesServicesRendered_lbl" xml:lang="en-US" id="pymx_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsGrantedToNonEmployeesServicesRendered_lbl"> Adjustments To Additional Paid In Capital Share Based Compensation Stock Options Granted To Non Employees Services Rendered </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsGrantedToNonEmployeesServicesRendered" xlink:to="pymx_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsGrantedToNonEmployeesServicesRendered_lbl" xlink:title="label: AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsGrantedToNonEmployeesServicesRendered to pymx_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsGrantedToNonEmployeesServicesRendered_lbl"/>
<link:label xlink:type="resource" xlink:label="pymx_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsGrantedToNonEmployeesServicesRendered_lbl1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="pymx_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsGrantedToNonEmployeesServicesRendered_lbl1" xml:lang="en-US" id="pymx_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsGrantedToNonEmployeesServicesRendered_lbl1"> This element represents the amount of recognized equity-based compensation related to stock options during the period granted to non-employees for services rendered. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsGrantedToNonEmployeesServicesRendered" xlink:to="pymx_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsGrantedToNonEmployeesServicesRendered_lbl1" xlink:title="label: AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsGrantedToNonEmployeesServicesRendered to pymx_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsGrantedToNonEmployeesServicesRendered_lbl1"/>
<link:label xlink:type="resource" xlink:label="pymx_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsGrantedToNonEmployeesServicesRendered_lbl2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="pymx_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsGrantedToNonEmployeesServicesRendered_lbl2" xml:lang="en-US" id="pymx_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsGrantedToNonEmployeesServicesRendered_lbl2"> Issuance of common stock grants to non-employees in exchange for services </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsGrantedToNonEmployeesServicesRendered" xlink:to="pymx_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsGrantedToNonEmployeesServicesRendered_lbl2" xlink:title="label: AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsGrantedToNonEmployeesServicesRendered to pymx_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsGrantedToNonEmployeesServicesRendered_lbl2"/>
<link:loc xlink:type="locator" xlink:href="pymx-20111231.xsd#pymx_IssuanceOfCommonStockGrantsToNonEmployeesInExchangeForServices" xlink:label="IssuanceOfCommonStockGrantsToNonEmployeesInExchangeForServices" xlink:title="IssuanceOfCommonStockGrantsToNonEmployeesInExchangeForServices"/>
<link:label xlink:type="resource" xlink:label="pymx_IssuanceOfCommonStockGrantsToNonEmployeesInExchangeForServices_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="pymx_IssuanceOfCommonStockGrantsToNonEmployeesInExchangeForServices_lbl" xml:lang="en-US" id="pymx_IssuanceOfCommonStockGrantsToNonEmployeesInExchangeForServices_lbl"> Issuance of common stock grants to non-employees in exchange for services </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IssuanceOfCommonStockGrantsToNonEmployeesInExchangeForServices" xlink:to="pymx_IssuanceOfCommonStockGrantsToNonEmployeesInExchangeForServices_lbl" xlink:title="label: IssuanceOfCommonStockGrantsToNonEmployeesInExchangeForServices to pymx_IssuanceOfCommonStockGrantsToNonEmployeesInExchangeForServices_lbl"/>
<link:label xlink:type="resource" xlink:label="pymx_IssuanceOfCommonStockGrantsToNonEmployeesInExchangeForServices_lbl1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="pymx_IssuanceOfCommonStockGrantsToNonEmployeesInExchangeForServices_lbl1" xml:lang="en-US" id="pymx_IssuanceOfCommonStockGrantsToNonEmployeesInExchangeForServices_lbl1"> Number of shares granted during the period to non-employees for services rendered. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IssuanceOfCommonStockGrantsToNonEmployeesInExchangeForServices" xlink:to="pymx_IssuanceOfCommonStockGrantsToNonEmployeesInExchangeForServices_lbl1" xlink:title="label: IssuanceOfCommonStockGrantsToNonEmployeesInExchangeForServices to pymx_IssuanceOfCommonStockGrantsToNonEmployeesInExchangeForServices_lbl1"/>
<link:label xlink:type="resource" xlink:label="pymx_IssuanceOfCommonStockGrantsToNonEmployeesInExchangeForServices_lbl2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="pymx_IssuanceOfCommonStockGrantsToNonEmployeesInExchangeForServices_lbl2" xml:lang="en-US" id="pymx_IssuanceOfCommonStockGrantsToNonEmployeesInExchangeForServices_lbl2"> Issuance of common stock grants to non-employees in exchange for services (in shares) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IssuanceOfCommonStockGrantsToNonEmployeesInExchangeForServices" xlink:to="pymx_IssuanceOfCommonStockGrantsToNonEmployeesInExchangeForServices_lbl2" xlink:title="label: IssuanceOfCommonStockGrantsToNonEmployeesInExchangeForServices to pymx_IssuanceOfCommonStockGrantsToNonEmployeesInExchangeForServices_lbl2"/>
<link:loc xlink:type="locator" xlink:href="pymx-20111231.xsd#pymx_IssuanceOfCommonStockGrantsValue" xlink:label="IssuanceOfCommonStockGrantsValue" xlink:title="IssuanceOfCommonStockGrantsValue"/>
<link:label xlink:type="resource" xlink:label="pymx_IssuanceOfCommonStockGrantsValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="pymx_IssuanceOfCommonStockGrantsValue_lbl" xml:lang="en-US" id="pymx_IssuanceOfCommonStockGrantsValue_lbl"> Issuance of common stock grants value </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IssuanceOfCommonStockGrantsValue" xlink:to="pymx_IssuanceOfCommonStockGrantsValue_lbl" xlink:title="label: IssuanceOfCommonStockGrantsValue to pymx_IssuanceOfCommonStockGrantsValue_lbl"/>
<link:label xlink:type="resource" xlink:label="pymx_IssuanceOfCommonStockGrantsValue_lbl1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="pymx_IssuanceOfCommonStockGrantsValue_lbl1" xml:lang="en-US" id="pymx_IssuanceOfCommonStockGrantsValue_lbl1"> Value of common stock grants issued to selected employees, non-employee directors and key advisors during the period. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IssuanceOfCommonStockGrantsValue" xlink:to="pymx_IssuanceOfCommonStockGrantsValue_lbl1" xlink:title="label: IssuanceOfCommonStockGrantsValue to pymx_IssuanceOfCommonStockGrantsValue_lbl1"/>
<link:label xlink:type="resource" xlink:label="pymx_IssuanceOfCommonStockGrantsValue_lbl2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="pymx_IssuanceOfCommonStockGrantsValue_lbl2" xml:lang="en-US" id="pymx_IssuanceOfCommonStockGrantsValue_lbl2"> Issuance of common stock grants </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IssuanceOfCommonStockGrantsValue" xlink:to="pymx_IssuanceOfCommonStockGrantsValue_lbl2" xlink:title="label: IssuanceOfCommonStockGrantsValue to pymx_IssuanceOfCommonStockGrantsValue_lbl2"/>
<link:loc xlink:type="locator" xlink:href="pymx-20111231.xsd#pymx_IssuanceOfCommonStockGrantsShares" xlink:label="IssuanceOfCommonStockGrantsShares" xlink:title="IssuanceOfCommonStockGrantsShares"/>
<link:label xlink:type="resource" xlink:label="pymx_IssuanceOfCommonStockGrantsShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="pymx_IssuanceOfCommonStockGrantsShares_lbl" xml:lang="en-US" id="pymx_IssuanceOfCommonStockGrantsShares_lbl"> Issuance of common stock grants shares </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IssuanceOfCommonStockGrantsShares" xlink:to="pymx_IssuanceOfCommonStockGrantsShares_lbl" xlink:title="label: IssuanceOfCommonStockGrantsShares to pymx_IssuanceOfCommonStockGrantsShares_lbl"/>
<link:label xlink:type="resource" xlink:label="pymx_IssuanceOfCommonStockGrantsShares_lbl1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="pymx_IssuanceOfCommonStockGrantsShares_lbl1" xml:lang="en-US" id="pymx_IssuanceOfCommonStockGrantsShares_lbl1"> Number of common stock grants issued to selected employees, non-employee directors and key advisors. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IssuanceOfCommonStockGrantsShares" xlink:to="pymx_IssuanceOfCommonStockGrantsShares_lbl1" xlink:title="label: IssuanceOfCommonStockGrantsShares to pymx_IssuanceOfCommonStockGrantsShares_lbl1"/>
<link:label xlink:type="resource" xlink:label="pymx_IssuanceOfCommonStockGrantsShares_lbl2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="pymx_IssuanceOfCommonStockGrantsShares_lbl2" xml:lang="en-US" id="pymx_IssuanceOfCommonStockGrantsShares_lbl2"> Issuance of common stock grants (in shares) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IssuanceOfCommonStockGrantsShares" xlink:to="pymx_IssuanceOfCommonStockGrantsShares_lbl2" xlink:title="label: IssuanceOfCommonStockGrantsShares to pymx_IssuanceOfCommonStockGrantsShares_lbl2"/>
<link:loc xlink:type="locator" xlink:href="pymx-20111231.xsd#pymx_StockIssuedDuringPeriodSharesNewIssuesSeries1Preferred" xlink:label="StockIssuedDuringPeriodSharesNewIssuesSeries1Preferred" xlink:title="StockIssuedDuringPeriodSharesNewIssuesSeries1Preferred"/>
<link:label xlink:type="resource" xlink:label="pymx_StockIssuedDuringPeriodSharesNewIssuesSeries1Preferred_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="pymx_StockIssuedDuringPeriodSharesNewIssuesSeries1Preferred_lbl" xml:lang="en-US" id="pymx_StockIssuedDuringPeriodSharesNewIssuesSeries1Preferred_lbl"> Stock Issued During Period Shares New Issues Series 1 Preferred </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodSharesNewIssuesSeries1Preferred" xlink:to="pymx_StockIssuedDuringPeriodSharesNewIssuesSeries1Preferred_lbl" xlink:title="label: StockIssuedDuringPeriodSharesNewIssuesSeries1Preferred to pymx_StockIssuedDuringPeriodSharesNewIssuesSeries1Preferred_lbl"/>
<link:label xlink:type="resource" xlink:label="pymx_StockIssuedDuringPeriodSharesNewIssuesSeries1Preferred_lbl1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="pymx_StockIssuedDuringPeriodSharesNewIssuesSeries1Preferred_lbl1" xml:lang="en-US" id="pymx_StockIssuedDuringPeriodSharesNewIssuesSeries1Preferred_lbl1"> Number of Series 1 preferred shares issued during the period. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodSharesNewIssuesSeries1Preferred" xlink:to="pymx_StockIssuedDuringPeriodSharesNewIssuesSeries1Preferred_lbl1" xlink:title="label: StockIssuedDuringPeriodSharesNewIssuesSeries1Preferred to pymx_StockIssuedDuringPeriodSharesNewIssuesSeries1Preferred_lbl1"/>
<link:label xlink:type="resource" xlink:label="pymx_StockIssuedDuringPeriodSharesNewIssuesSeries1Preferred_lbl2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="pymx_StockIssuedDuringPeriodSharesNewIssuesSeries1Preferred_lbl2" xml:lang="en-US" id="pymx_StockIssuedDuringPeriodSharesNewIssuesSeries1Preferred_lbl2"> Issuance of Series 1 preferred stock (in shares) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodSharesNewIssuesSeries1Preferred" xlink:to="pymx_StockIssuedDuringPeriodSharesNewIssuesSeries1Preferred_lbl2" xlink:title="label: StockIssuedDuringPeriodSharesNewIssuesSeries1Preferred to pymx_StockIssuedDuringPeriodSharesNewIssuesSeries1Preferred_lbl2"/>
<link:loc xlink:type="locator" xlink:href="pymx-20111231.xsd#pymx_StockIssuedDuringPeriodValueNewIssuesSeries1Preferred" xlink:label="StockIssuedDuringPeriodValueNewIssuesSeries1Preferred" xlink:title="StockIssuedDuringPeriodValueNewIssuesSeries1Preferred"/>
<link:label xlink:type="resource" xlink:label="pymx_StockIssuedDuringPeriodValueNewIssuesSeries1Preferred_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="pymx_StockIssuedDuringPeriodValueNewIssuesSeries1Preferred_lbl" xml:lang="en-US" id="pymx_StockIssuedDuringPeriodValueNewIssuesSeries1Preferred_lbl"> Stock Issued During Period Value New Issues Series 1 Preferred </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodValueNewIssuesSeries1Preferred" xlink:to="pymx_StockIssuedDuringPeriodValueNewIssuesSeries1Preferred_lbl" xlink:title="label: StockIssuedDuringPeriodValueNewIssuesSeries1Preferred to pymx_StockIssuedDuringPeriodValueNewIssuesSeries1Preferred_lbl"/>
<link:label xlink:type="resource" xlink:label="pymx_StockIssuedDuringPeriodValueNewIssuesSeries1Preferred_lbl1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="pymx_StockIssuedDuringPeriodValueNewIssuesSeries1Preferred_lbl1" xml:lang="en-US" id="pymx_StockIssuedDuringPeriodValueNewIssuesSeries1Preferred_lbl1"> Equity impact of the value of Series 1 preferred shares issued during the period. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodValueNewIssuesSeries1Preferred" xlink:to="pymx_StockIssuedDuringPeriodValueNewIssuesSeries1Preferred_lbl1" xlink:title="label: StockIssuedDuringPeriodValueNewIssuesSeries1Preferred to pymx_StockIssuedDuringPeriodValueNewIssuesSeries1Preferred_lbl1"/>
<link:label xlink:type="resource" xlink:label="pymx_StockIssuedDuringPeriodValueNewIssuesSeries1Preferred_lbl2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="pymx_StockIssuedDuringPeriodValueNewIssuesSeries1Preferred_lbl2" xml:lang="en-US" id="pymx_StockIssuedDuringPeriodValueNewIssuesSeries1Preferred_lbl2"> Issuance of Series 1 preferred stock </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodValueNewIssuesSeries1Preferred" xlink:to="pymx_StockIssuedDuringPeriodValueNewIssuesSeries1Preferred_lbl2" xlink:title="label: StockIssuedDuringPeriodValueNewIssuesSeries1Preferred to pymx_StockIssuedDuringPeriodValueNewIssuesSeries1Preferred_lbl2"/>
<link:loc xlink:type="locator" xlink:href="pymx-20111231.xsd#pymx_AdjustmentsToAdditionalPaidInCapitalSeriesBPreferredSubscriptionReceivable" xlink:label="AdjustmentsToAdditionalPaidInCapitalSeriesBPreferredSubscriptionReceivable" xlink:title="AdjustmentsToAdditionalPaidInCapitalSeriesBPreferredSubscriptionReceivable"/>
<link:label xlink:type="resource" xlink:label="pymx_AdjustmentsToAdditionalPaidInCapitalSeriesBPreferredSubscriptionReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="pymx_AdjustmentsToAdditionalPaidInCapitalSeriesBPreferredSubscriptionReceivable_lbl" xml:lang="en-US" id="pymx_AdjustmentsToAdditionalPaidInCapitalSeriesBPreferredSubscriptionReceivable_lbl"> Adjustments To Additional Paid In Capital Series B Preferred Subscription Receivable </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AdjustmentsToAdditionalPaidInCapitalSeriesBPreferredSubscriptionReceivable" xlink:to="pymx_AdjustmentsToAdditionalPaidInCapitalSeriesBPreferredSubscriptionReceivable_lbl" xlink:title="label: AdjustmentsToAdditionalPaidInCapitalSeriesBPreferredSubscriptionReceivable to pymx_AdjustmentsToAdditionalPaidInCapitalSeriesBPreferredSubscriptionReceivable_lbl"/>
<link:label xlink:type="resource" xlink:label="pymx_AdjustmentsToAdditionalPaidInCapitalSeriesBPreferredSubscriptionReceivable_lbl1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="pymx_AdjustmentsToAdditionalPaidInCapitalSeriesBPreferredSubscriptionReceivable_lbl1" xml:lang="en-US" id="pymx_AdjustmentsToAdditionalPaidInCapitalSeriesBPreferredSubscriptionReceivable_lbl1"> Value of proceeds received from Series B preferred stock subscription agreement. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AdjustmentsToAdditionalPaidInCapitalSeriesBPreferredSubscriptionReceivable" xlink:to="pymx_AdjustmentsToAdditionalPaidInCapitalSeriesBPreferredSubscriptionReceivable_lbl1" xlink:title="label: AdjustmentsToAdditionalPaidInCapitalSeriesBPreferredSubscriptionReceivable to pymx_AdjustmentsToAdditionalPaidInCapitalSeriesBPreferredSubscriptionReceivable_lbl1"/>
<link:label xlink:type="resource" xlink:label="pymx_AdjustmentsToAdditionalPaidInCapitalSeriesBPreferredSubscriptionReceivable_lbl2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="pymx_AdjustmentsToAdditionalPaidInCapitalSeriesBPreferredSubscriptionReceivable_lbl2" xml:lang="en-US" id="pymx_AdjustmentsToAdditionalPaidInCapitalSeriesBPreferredSubscriptionReceivable_lbl2"> Proceeds from Series B subscription receivable </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AdjustmentsToAdditionalPaidInCapitalSeriesBPreferredSubscriptionReceivable" xlink:to="pymx_AdjustmentsToAdditionalPaidInCapitalSeriesBPreferredSubscriptionReceivable_lbl2" xlink:title="label: AdjustmentsToAdditionalPaidInCapitalSeriesBPreferredSubscriptionReceivable to pymx_AdjustmentsToAdditionalPaidInCapitalSeriesBPreferredSubscriptionReceivable_lbl2"/>
<link:loc xlink:type="locator" xlink:href="pymx-20111231.xsd#pymx_StockIssuedDuringPeriodValueConversionOfSeriesAndSeriesBToCommonStock" xlink:label="StockIssuedDuringPeriodValueConversionOfSeriesAndSeriesBToCommonStock" xlink:title="StockIssuedDuringPeriodValueConversionOfSeriesAndSeriesBToCommonStock"/>
<link:label xlink:type="resource" xlink:label="pymx_StockIssuedDuringPeriodValueConversionOfSeriesAndSeriesBToCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="pymx_StockIssuedDuringPeriodValueConversionOfSeriesAndSeriesBToCommonStock_lbl" xml:lang="en-US" id="pymx_StockIssuedDuringPeriodValueConversionOfSeriesAndSeriesBToCommonStock_lbl"> Stock Issued During Period Value Conversion Of Series A And Series B To Common Stock </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodValueConversionOfSeriesAndSeriesBToCommonStock" xlink:to="pymx_StockIssuedDuringPeriodValueConversionOfSeriesAndSeriesBToCommonStock_lbl" xlink:title="label: StockIssuedDuringPeriodValueConversionOfSeriesAndSeriesBToCommonStock to pymx_StockIssuedDuringPeriodValueConversionOfSeriesAndSeriesBToCommonStock_lbl"/>
<link:label xlink:type="resource" xlink:label="pymx_StockIssuedDuringPeriodValueConversionOfSeriesAndSeriesBToCommonStock_lbl1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="pymx_StockIssuedDuringPeriodValueConversionOfSeriesAndSeriesBToCommonStock_lbl1" xml:lang="en-US" id="pymx_StockIssuedDuringPeriodValueConversionOfSeriesAndSeriesBToCommonStock_lbl1"> The gross value of stock issued during the period upon the conversion of Series A and Series B preferred stock to common stock. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodValueConversionOfSeriesAndSeriesBToCommonStock" xlink:to="pymx_StockIssuedDuringPeriodValueConversionOfSeriesAndSeriesBToCommonStock_lbl1" xlink:title="label: StockIssuedDuringPeriodValueConversionOfSeriesAndSeriesBToCommonStock to pymx_StockIssuedDuringPeriodValueConversionOfSeriesAndSeriesBToCommonStock_lbl1"/>
<link:label xlink:type="resource" xlink:label="pymx_StockIssuedDuringPeriodValueConversionOfSeriesAndSeriesBToCommonStock_lbl2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="pymx_StockIssuedDuringPeriodValueConversionOfSeriesAndSeriesBToCommonStock_lbl2" xml:lang="en-US" id="pymx_StockIssuedDuringPeriodValueConversionOfSeriesAndSeriesBToCommonStock_lbl2"> Conversion of Series A and B preferred stock to common stock </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodValueConversionOfSeriesAndSeriesBToCommonStock" xlink:to="pymx_StockIssuedDuringPeriodValueConversionOfSeriesAndSeriesBToCommonStock_lbl2" xlink:title="label: StockIssuedDuringPeriodValueConversionOfSeriesAndSeriesBToCommonStock to pymx_StockIssuedDuringPeriodValueConversionOfSeriesAndSeriesBToCommonStock_lbl2"/>
<link:loc xlink:type="locator" xlink:href="pymx-20111231.xsd#pymx_StockIssuedDuringPeriodSharesConversionOfSeriesAndSeriesBToCommonStock" xlink:label="StockIssuedDuringPeriodSharesConversionOfSeriesAndSeriesBToCommonStock" xlink:title="StockIssuedDuringPeriodSharesConversionOfSeriesAndSeriesBToCommonStock"/>
<link:label xlink:type="resource" xlink:label="pymx_StockIssuedDuringPeriodSharesConversionOfSeriesAndSeriesBToCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="pymx_StockIssuedDuringPeriodSharesConversionOfSeriesAndSeriesBToCommonStock_lbl" xml:lang="en-US" id="pymx_StockIssuedDuringPeriodSharesConversionOfSeriesAndSeriesBToCommonStock_lbl"> Stock Issued During Period Shares Conversion Of Series A And Series B To Common Stock </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodSharesConversionOfSeriesAndSeriesBToCommonStock" xlink:to="pymx_StockIssuedDuringPeriodSharesConversionOfSeriesAndSeriesBToCommonStock_lbl" xlink:title="label: StockIssuedDuringPeriodSharesConversionOfSeriesAndSeriesBToCommonStock to pymx_StockIssuedDuringPeriodSharesConversionOfSeriesAndSeriesBToCommonStock_lbl"/>
<link:label xlink:type="resource" xlink:label="pymx_StockIssuedDuringPeriodSharesConversionOfSeriesAndSeriesBToCommonStock_lbl1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="pymx_StockIssuedDuringPeriodSharesConversionOfSeriesAndSeriesBToCommonStock_lbl1" xml:lang="en-US" id="pymx_StockIssuedDuringPeriodSharesConversionOfSeriesAndSeriesBToCommonStock_lbl1"> Number of shares issued during the period as a result of the conversion of Series A and Series B preferred stock to common stock. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodSharesConversionOfSeriesAndSeriesBToCommonStock" xlink:to="pymx_StockIssuedDuringPeriodSharesConversionOfSeriesAndSeriesBToCommonStock_lbl1" xlink:title="label: StockIssuedDuringPeriodSharesConversionOfSeriesAndSeriesBToCommonStock to pymx_StockIssuedDuringPeriodSharesConversionOfSeriesAndSeriesBToCommonStock_lbl1"/>
<link:label xlink:type="resource" xlink:label="pymx_StockIssuedDuringPeriodSharesConversionOfSeriesAndSeriesBToCommonStock_lbl2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="pymx_StockIssuedDuringPeriodSharesConversionOfSeriesAndSeriesBToCommonStock_lbl2" xml:lang="en-US" id="pymx_StockIssuedDuringPeriodSharesConversionOfSeriesAndSeriesBToCommonStock_lbl2"> Conversion of Series A and B preferred stock to common stock (in shares) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodSharesConversionOfSeriesAndSeriesBToCommonStock" xlink:to="pymx_StockIssuedDuringPeriodSharesConversionOfSeriesAndSeriesBToCommonStock_lbl2" xlink:title="label: StockIssuedDuringPeriodSharesConversionOfSeriesAndSeriesBToCommonStock to pymx_StockIssuedDuringPeriodSharesConversionOfSeriesAndSeriesBToCommonStock_lbl2"/>
<link:loc xlink:type="locator" xlink:href="pymx-20111231.xsd#pymx_StockIssuedDuringPeriodValueConversionOfSeries1ToCommonStock" xlink:label="StockIssuedDuringPeriodValueConversionOfSeries1ToCommonStock" xlink:title="StockIssuedDuringPeriodValueConversionOfSeries1ToCommonStock"/>
<link:label xlink:type="resource" xlink:label="pymx_StockIssuedDuringPeriodValueConversionOfSeries1ToCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="pymx_StockIssuedDuringPeriodValueConversionOfSeries1ToCommonStock_lbl" xml:lang="en-US" id="pymx_StockIssuedDuringPeriodValueConversionOfSeries1ToCommonStock_lbl"> Stock Issued During Period Value Conversion Of Series 1 To Common Stock </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodValueConversionOfSeries1ToCommonStock" xlink:to="pymx_StockIssuedDuringPeriodValueConversionOfSeries1ToCommonStock_lbl" xlink:title="label: StockIssuedDuringPeriodValueConversionOfSeries1ToCommonStock to pymx_StockIssuedDuringPeriodValueConversionOfSeries1ToCommonStock_lbl"/>
<link:label xlink:type="resource" xlink:label="pymx_StockIssuedDuringPeriodValueConversionOfSeries1ToCommonStock_lbl1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="pymx_StockIssuedDuringPeriodValueConversionOfSeries1ToCommonStock_lbl1" xml:lang="en-US" id="pymx_StockIssuedDuringPeriodValueConversionOfSeries1ToCommonStock_lbl1"> The gross value of stock issued during the period upon the conversion of Series 1 preferred stock to common stock. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodValueConversionOfSeries1ToCommonStock" xlink:to="pymx_StockIssuedDuringPeriodValueConversionOfSeries1ToCommonStock_lbl1" xlink:title="label: StockIssuedDuringPeriodValueConversionOfSeries1ToCommonStock to pymx_StockIssuedDuringPeriodValueConversionOfSeries1ToCommonStock_lbl1"/>
<link:label xlink:type="resource" xlink:label="pymx_StockIssuedDuringPeriodValueConversionOfSeries1ToCommonStock_lbl2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="pymx_StockIssuedDuringPeriodValueConversionOfSeries1ToCommonStock_lbl2" xml:lang="en-US" id="pymx_StockIssuedDuringPeriodValueConversionOfSeries1ToCommonStock_lbl2"> Conversion of Series 1 preferred stock to common stock </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodValueConversionOfSeries1ToCommonStock" xlink:to="pymx_StockIssuedDuringPeriodValueConversionOfSeries1ToCommonStock_lbl2" xlink:title="label: StockIssuedDuringPeriodValueConversionOfSeries1ToCommonStock to pymx_StockIssuedDuringPeriodValueConversionOfSeries1ToCommonStock_lbl2"/>
<link:loc xlink:type="locator" xlink:href="pymx-20111231.xsd#pymx_StockIssuedDuringPeriodSharesConversionOfSeries1ToCommonStock" xlink:label="StockIssuedDuringPeriodSharesConversionOfSeries1ToCommonStock" xlink:title="StockIssuedDuringPeriodSharesConversionOfSeries1ToCommonStock"/>
<link:label xlink:type="resource" xlink:label="pymx_StockIssuedDuringPeriodSharesConversionOfSeries1ToCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="pymx_StockIssuedDuringPeriodSharesConversionOfSeries1ToCommonStock_lbl" xml:lang="en-US" id="pymx_StockIssuedDuringPeriodSharesConversionOfSeries1ToCommonStock_lbl"> Stock Issued During Period Shares Conversion Of Series 1 To Common Stock </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodSharesConversionOfSeries1ToCommonStock" xlink:to="pymx_StockIssuedDuringPeriodSharesConversionOfSeries1ToCommonStock_lbl" xlink:title="label: StockIssuedDuringPeriodSharesConversionOfSeries1ToCommonStock to pymx_StockIssuedDuringPeriodSharesConversionOfSeries1ToCommonStock_lbl"/>
<link:label xlink:type="resource" xlink:label="pymx_StockIssuedDuringPeriodSharesConversionOfSeries1ToCommonStock_lbl1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="pymx_StockIssuedDuringPeriodSharesConversionOfSeries1ToCommonStock_lbl1" xml:lang="en-US" id="pymx_StockIssuedDuringPeriodSharesConversionOfSeries1ToCommonStock_lbl1"> Number of shares issued during the period as a result of the conversion of Series 1 preferred stock to common stock. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodSharesConversionOfSeries1ToCommonStock" xlink:to="pymx_StockIssuedDuringPeriodSharesConversionOfSeries1ToCommonStock_lbl1" xlink:title="label: StockIssuedDuringPeriodSharesConversionOfSeries1ToCommonStock to pymx_StockIssuedDuringPeriodSharesConversionOfSeries1ToCommonStock_lbl1"/>
<link:label xlink:type="resource" xlink:label="pymx_StockIssuedDuringPeriodSharesConversionOfSeries1ToCommonStock_lbl2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="pymx_StockIssuedDuringPeriodSharesConversionOfSeries1ToCommonStock_lbl2" xml:lang="en-US" id="pymx_StockIssuedDuringPeriodSharesConversionOfSeries1ToCommonStock_lbl2"> Conversion of Series 1 preferred stock to common stock (in shares) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodSharesConversionOfSeries1ToCommonStock" xlink:to="pymx_StockIssuedDuringPeriodSharesConversionOfSeries1ToCommonStock_lbl2" xlink:title="label: StockIssuedDuringPeriodSharesConversionOfSeries1ToCommonStock to pymx_StockIssuedDuringPeriodSharesConversionOfSeries1ToCommonStock_lbl2"/>
<link:loc xlink:type="locator" xlink:href="pymx-20111231.xsd#pymx_ReclassificationOfUnearnedCompensationOnNonvestedStockBalanceUponAdoptionOfSfasNo123R" xlink:label="ReclassificationOfUnearnedCompensationOnNonvestedStockBalanceUponAdoptionOfSfasNo123R" xlink:title="ReclassificationOfUnearnedCompensationOnNonvestedStockBalanceUponAdoptionOfSfasNo123R"/>
<link:label xlink:type="resource" xlink:label="pymx_ReclassificationOfUnearnedCompensationOnNonvestedStockBalanceUponAdoptionOfSfasNo123R_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="pymx_ReclassificationOfUnearnedCompensationOnNonvestedStockBalanceUponAdoptionOfSfasNo123R_lbl" xml:lang="en-US" id="pymx_ReclassificationOfUnearnedCompensationOnNonvestedStockBalanceUponAdoptionOfSfasNo123R_lbl"> Reclassification of unearned compensation on nonvested stock balance upon adoption of SFAS No. 123(R) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ReclassificationOfUnearnedCompensationOnNonvestedStockBalanceUponAdoptionOfSfasNo123R" xlink:to="pymx_ReclassificationOfUnearnedCompensationOnNonvestedStockBalanceUponAdoptionOfSfasNo123R_lbl" xlink:title="label: ReclassificationOfUnearnedCompensationOnNonvestedStockBalanceUponAdoptionOfSfasNo123R to pymx_ReclassificationOfUnearnedCompensationOnNonvestedStockBalanceUponAdoptionOfSfasNo123R_lbl"/>
<link:label xlink:type="resource" xlink:label="pymx_ReclassificationOfUnearnedCompensationOnNonvestedStockBalanceUponAdoptionOfSfasNo123R_lbl1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="pymx_ReclassificationOfUnearnedCompensationOnNonvestedStockBalanceUponAdoptionOfSfasNo123R_lbl1" xml:lang="en-US" id="pymx_ReclassificationOfUnearnedCompensationOnNonvestedStockBalanceUponAdoptionOfSfasNo123R_lbl1"> Effect of adoption of change in accounting principle on unearned compensation on non-vested stock balance. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ReclassificationOfUnearnedCompensationOnNonvestedStockBalanceUponAdoptionOfSfasNo123R" xlink:to="pymx_ReclassificationOfUnearnedCompensationOnNonvestedStockBalanceUponAdoptionOfSfasNo123R_lbl1" xlink:title="label: ReclassificationOfUnearnedCompensationOnNonvestedStockBalanceUponAdoptionOfSfasNo123R to pymx_ReclassificationOfUnearnedCompensationOnNonvestedStockBalanceUponAdoptionOfSfasNo123R_lbl1"/>
<link:label xlink:type="resource" xlink:label="pymx_ReclassificationOfUnearnedCompensationOnNonvestedStockBalanceUponAdoptionOfSfasNo123R_lbl2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="pymx_ReclassificationOfUnearnedCompensationOnNonvestedStockBalanceUponAdoptionOfSfasNo123R_lbl2" xml:lang="en-US" id="pymx_ReclassificationOfUnearnedCompensationOnNonvestedStockBalanceUponAdoptionOfSfasNo123R_lbl2"> Reclassification of unearned compensation on nonvested stock balance upon adoption of SFAS No. 123(R) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ReclassificationOfUnearnedCompensationOnNonvestedStockBalanceUponAdoptionOfSfasNo123R" xlink:to="pymx_ReclassificationOfUnearnedCompensationOnNonvestedStockBalanceUponAdoptionOfSfasNo123R_lbl2" xlink:title="label: ReclassificationOfUnearnedCompensationOnNonvestedStockBalanceUponAdoptionOfSfasNo123R to pymx_ReclassificationOfUnearnedCompensationOnNonvestedStockBalanceUponAdoptionOfSfasNo123R_lbl2"/>
<link:loc xlink:type="locator" xlink:href="pymx-20111231.xsd#pymx_StockIssuedDuringPeriodValueNewIssuesSeries2008Preferred" xlink:label="StockIssuedDuringPeriodValueNewIssuesSeries2008Preferred" xlink:title="StockIssuedDuringPeriodValueNewIssuesSeries2008Preferred"/>
<link:label xlink:type="resource" xlink:label="pymx_StockIssuedDuringPeriodValueNewIssuesSeries2008Preferred_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="pymx_StockIssuedDuringPeriodValueNewIssuesSeries2008Preferred_lbl" xml:lang="en-US" id="pymx_StockIssuedDuringPeriodValueNewIssuesSeries2008Preferred_lbl"> Stock Issued During Period Value New Issues Series 2008 Preferred </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodValueNewIssuesSeries2008Preferred" xlink:to="pymx_StockIssuedDuringPeriodValueNewIssuesSeries2008Preferred_lbl" xlink:title="label: StockIssuedDuringPeriodValueNewIssuesSeries2008Preferred to pymx_StockIssuedDuringPeriodValueNewIssuesSeries2008Preferred_lbl"/>
<link:label xlink:type="resource" xlink:label="pymx_StockIssuedDuringPeriodValueNewIssuesSeries2008Preferred_lbl1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="pymx_StockIssuedDuringPeriodValueNewIssuesSeries2008Preferred_lbl1" xml:lang="en-US" id="pymx_StockIssuedDuringPeriodValueNewIssuesSeries2008Preferred_lbl1"> Equity impact of the value of Series 2008 preferred shares issued during the period. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodValueNewIssuesSeries2008Preferred" xlink:to="pymx_StockIssuedDuringPeriodValueNewIssuesSeries2008Preferred_lbl1" xlink:title="label: StockIssuedDuringPeriodValueNewIssuesSeries2008Preferred to pymx_StockIssuedDuringPeriodValueNewIssuesSeries2008Preferred_lbl1"/>
<link:label xlink:type="resource" xlink:label="pymx_StockIssuedDuringPeriodValueNewIssuesSeries2008Preferred_lbl2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="pymx_StockIssuedDuringPeriodValueNewIssuesSeries2008Preferred_lbl2" xml:lang="en-US" id="pymx_StockIssuedDuringPeriodValueNewIssuesSeries2008Preferred_lbl2"> Issuance of Series 2008 preferred stock, net of issuance costs </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodValueNewIssuesSeries2008Preferred" xlink:to="pymx_StockIssuedDuringPeriodValueNewIssuesSeries2008Preferred_lbl2" xlink:title="label: StockIssuedDuringPeriodValueNewIssuesSeries2008Preferred to pymx_StockIssuedDuringPeriodValueNewIssuesSeries2008Preferred_lbl2"/>
<link:loc xlink:type="locator" xlink:href="pymx-20111231.xsd#pymx_StockIssuedDuringPeriodSharesNewIssuesSeries2008Preferred" xlink:label="StockIssuedDuringPeriodSharesNewIssuesSeries2008Preferred" xlink:title="StockIssuedDuringPeriodSharesNewIssuesSeries2008Preferred"/>
<link:label xlink:type="resource" xlink:label="pymx_StockIssuedDuringPeriodSharesNewIssuesSeries2008Preferred_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="pymx_StockIssuedDuringPeriodSharesNewIssuesSeries2008Preferred_lbl" xml:lang="en-US" id="pymx_StockIssuedDuringPeriodSharesNewIssuesSeries2008Preferred_lbl"> Stock Issued During Period Shares New Issues Series 2008 Preferred </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodSharesNewIssuesSeries2008Preferred" xlink:to="pymx_StockIssuedDuringPeriodSharesNewIssuesSeries2008Preferred_lbl" xlink:title="label: StockIssuedDuringPeriodSharesNewIssuesSeries2008Preferred to pymx_StockIssuedDuringPeriodSharesNewIssuesSeries2008Preferred_lbl"/>
<link:label xlink:type="resource" xlink:label="pymx_StockIssuedDuringPeriodSharesNewIssuesSeries2008Preferred_lbl1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="pymx_StockIssuedDuringPeriodSharesNewIssuesSeries2008Preferred_lbl1" xml:lang="en-US" id="pymx_StockIssuedDuringPeriodSharesNewIssuesSeries2008Preferred_lbl1"> Number of Series 2008 preferred shares issued during the period. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodSharesNewIssuesSeries2008Preferred" xlink:to="pymx_StockIssuedDuringPeriodSharesNewIssuesSeries2008Preferred_lbl1" xlink:title="label: StockIssuedDuringPeriodSharesNewIssuesSeries2008Preferred to pymx_StockIssuedDuringPeriodSharesNewIssuesSeries2008Preferred_lbl1"/>
<link:label xlink:type="resource" xlink:label="pymx_StockIssuedDuringPeriodSharesNewIssuesSeries2008Preferred_lbl2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="pymx_StockIssuedDuringPeriodSharesNewIssuesSeries2008Preferred_lbl2" xml:lang="en-US" id="pymx_StockIssuedDuringPeriodSharesNewIssuesSeries2008Preferred_lbl2"> Issuance of Series 2008 preferred stock, net of issuance costs (in shares) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodSharesNewIssuesSeries2008Preferred" xlink:to="pymx_StockIssuedDuringPeriodSharesNewIssuesSeries2008Preferred_lbl2" xlink:title="label: StockIssuedDuringPeriodSharesNewIssuesSeries2008Preferred to pymx_StockIssuedDuringPeriodSharesNewIssuesSeries2008Preferred_lbl2"/>
<link:loc xlink:type="locator" xlink:href="pymx-20111231.xsd#pymx_StockIssuedDuringPeriodValueConversionOfSeries2008ToCommonStock" xlink:label="StockIssuedDuringPeriodValueConversionOfSeries2008ToCommonStock" xlink:title="StockIssuedDuringPeriodValueConversionOfSeries2008ToCommonStock"/>
<link:label xlink:type="resource" xlink:label="pymx_StockIssuedDuringPeriodValueConversionOfSeries2008ToCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="pymx_StockIssuedDuringPeriodValueConversionOfSeries2008ToCommonStock_lbl" xml:lang="en-US" id="pymx_StockIssuedDuringPeriodValueConversionOfSeries2008ToCommonStock_lbl"> Stock Issued During Period Value Conversion Of Series 2008 To Common Stock </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodValueConversionOfSeries2008ToCommonStock" xlink:to="pymx_StockIssuedDuringPeriodValueConversionOfSeries2008ToCommonStock_lbl" xlink:title="label: StockIssuedDuringPeriodValueConversionOfSeries2008ToCommonStock to pymx_StockIssuedDuringPeriodValueConversionOfSeries2008ToCommonStock_lbl"/>
<link:label xlink:type="resource" xlink:label="pymx_StockIssuedDuringPeriodValueConversionOfSeries2008ToCommonStock_lbl1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="pymx_StockIssuedDuringPeriodValueConversionOfSeries2008ToCommonStock_lbl1" xml:lang="en-US" id="pymx_StockIssuedDuringPeriodValueConversionOfSeries2008ToCommonStock_lbl1"> The gross value of stock issued during the period upon the conversion of Series 2008 preferred stock to common stock. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodValueConversionOfSeries2008ToCommonStock" xlink:to="pymx_StockIssuedDuringPeriodValueConversionOfSeries2008ToCommonStock_lbl1" xlink:title="label: StockIssuedDuringPeriodValueConversionOfSeries2008ToCommonStock to pymx_StockIssuedDuringPeriodValueConversionOfSeries2008ToCommonStock_lbl1"/>
<link:label xlink:type="resource" xlink:label="pymx_StockIssuedDuringPeriodValueConversionOfSeries2008ToCommonStock_lbl2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="pymx_StockIssuedDuringPeriodValueConversionOfSeries2008ToCommonStock_lbl2" xml:lang="en-US" id="pymx_StockIssuedDuringPeriodValueConversionOfSeries2008ToCommonStock_lbl2"> Conversion of Series 2008 preferred stock to common stock </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodValueConversionOfSeries2008ToCommonStock" xlink:to="pymx_StockIssuedDuringPeriodValueConversionOfSeries2008ToCommonStock_lbl2" xlink:title="label: StockIssuedDuringPeriodValueConversionOfSeries2008ToCommonStock to pymx_StockIssuedDuringPeriodValueConversionOfSeries2008ToCommonStock_lbl2"/>
<link:loc xlink:type="locator" xlink:href="pymx-20111231.xsd#pymx_StockIssuedDuringPeriodSharesConversionOfSeries2008ToCommonStock" xlink:label="StockIssuedDuringPeriodSharesConversionOfSeries2008ToCommonStock" xlink:title="StockIssuedDuringPeriodSharesConversionOfSeries2008ToCommonStock"/>
<link:label xlink:type="resource" xlink:label="pymx_StockIssuedDuringPeriodSharesConversionOfSeries2008ToCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="pymx_StockIssuedDuringPeriodSharesConversionOfSeries2008ToCommonStock_lbl" xml:lang="en-US" id="pymx_StockIssuedDuringPeriodSharesConversionOfSeries2008ToCommonStock_lbl"> Stock Issued During Period Shares Conversion Of Series 2008 To Common Stock </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodSharesConversionOfSeries2008ToCommonStock" xlink:to="pymx_StockIssuedDuringPeriodSharesConversionOfSeries2008ToCommonStock_lbl" xlink:title="label: StockIssuedDuringPeriodSharesConversionOfSeries2008ToCommonStock to pymx_StockIssuedDuringPeriodSharesConversionOfSeries2008ToCommonStock_lbl"/>
<link:label xlink:type="resource" xlink:label="pymx_StockIssuedDuringPeriodSharesConversionOfSeries2008ToCommonStock_lbl1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="pymx_StockIssuedDuringPeriodSharesConversionOfSeries2008ToCommonStock_lbl1" xml:lang="en-US" id="pymx_StockIssuedDuringPeriodSharesConversionOfSeries2008ToCommonStock_lbl1"> Number of shares issued during the period as a result of the conversion of Series 2008 preferred stock to common stock. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodSharesConversionOfSeries2008ToCommonStock" xlink:to="pymx_StockIssuedDuringPeriodSharesConversionOfSeries2008ToCommonStock_lbl1" xlink:title="label: StockIssuedDuringPeriodSharesConversionOfSeries2008ToCommonStock to pymx_StockIssuedDuringPeriodSharesConversionOfSeries2008ToCommonStock_lbl1"/>
<link:label xlink:type="resource" xlink:label="pymx_StockIssuedDuringPeriodSharesConversionOfSeries2008ToCommonStock_lbl2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="pymx_StockIssuedDuringPeriodSharesConversionOfSeries2008ToCommonStock_lbl2" xml:lang="en-US" id="pymx_StockIssuedDuringPeriodSharesConversionOfSeries2008ToCommonStock_lbl2"> Conversion of Series 2008 preferred stock to common stock (in shares) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodSharesConversionOfSeries2008ToCommonStock" xlink:to="pymx_StockIssuedDuringPeriodSharesConversionOfSeries2008ToCommonStock_lbl2" xlink:title="label: StockIssuedDuringPeriodSharesConversionOfSeries2008ToCommonStock to pymx_StockIssuedDuringPeriodSharesConversionOfSeries2008ToCommonStock_lbl2"/>
<link:loc xlink:type="locator" xlink:href="pymx-20111231.xsd#pymx_AdjustmentsToAdditionalPaidInCapitalWarrantConvertedToCommonStock" xlink:label="AdjustmentsToAdditionalPaidInCapitalWarrantConvertedToCommonStock" xlink:title="AdjustmentsToAdditionalPaidInCapitalWarrantConvertedToCommonStock"/>
<link:label xlink:type="resource" xlink:label="pymx_AdjustmentsToAdditionalPaidInCapitalWarrantConvertedToCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="pymx_AdjustmentsToAdditionalPaidInCapitalWarrantConvertedToCommonStock_lbl" xml:lang="en-US" id="pymx_AdjustmentsToAdditionalPaidInCapitalWarrantConvertedToCommonStock_lbl"> Adjustments To Additional Paid In Capital Warrant Converted To Common Stock </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AdjustmentsToAdditionalPaidInCapitalWarrantConvertedToCommonStock" xlink:to="pymx_AdjustmentsToAdditionalPaidInCapitalWarrantConvertedToCommonStock_lbl" xlink:title="label: AdjustmentsToAdditionalPaidInCapitalWarrantConvertedToCommonStock to pymx_AdjustmentsToAdditionalPaidInCapitalWarrantConvertedToCommonStock_lbl"/>
<link:label xlink:type="resource" xlink:label="pymx_AdjustmentsToAdditionalPaidInCapitalWarrantConvertedToCommonStock_lbl1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="pymx_AdjustmentsToAdditionalPaidInCapitalWarrantConvertedToCommonStock_lbl1" xml:lang="en-US" id="pymx_AdjustmentsToAdditionalPaidInCapitalWarrantConvertedToCommonStock_lbl1"> Increase in additional paid in capital due to exercise of stock warrants and the subsequent issued of common stock shares. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AdjustmentsToAdditionalPaidInCapitalWarrantConvertedToCommonStock" xlink:to="pymx_AdjustmentsToAdditionalPaidInCapitalWarrantConvertedToCommonStock_lbl1" xlink:title="label: AdjustmentsToAdditionalPaidInCapitalWarrantConvertedToCommonStock to pymx_AdjustmentsToAdditionalPaidInCapitalWarrantConvertedToCommonStock_lbl1"/>
<link:label xlink:type="resource" xlink:label="pymx_AdjustmentsToAdditionalPaidInCapitalWarrantConvertedToCommonStock_lbl2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="pymx_AdjustmentsToAdditionalPaidInCapitalWarrantConvertedToCommonStock_lbl2" xml:lang="en-US" id="pymx_AdjustmentsToAdditionalPaidInCapitalWarrantConvertedToCommonStock_lbl2"> Issuance of common stock upon exercise of outstanding warrants </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AdjustmentsToAdditionalPaidInCapitalWarrantConvertedToCommonStock" xlink:to="pymx_AdjustmentsToAdditionalPaidInCapitalWarrantConvertedToCommonStock_lbl2" xlink:title="label: AdjustmentsToAdditionalPaidInCapitalWarrantConvertedToCommonStock to pymx_AdjustmentsToAdditionalPaidInCapitalWarrantConvertedToCommonStock_lbl2"/>
<link:loc xlink:type="locator" xlink:href="pymx-20111231.xsd#pymx_AdjustmentsToAdditionalPaidInCapitalWarrantConvertedToCommonStockInShares" xlink:label="AdjustmentsToAdditionalPaidInCapitalWarrantConvertedToCommonStockInShares" xlink:title="AdjustmentsToAdditionalPaidInCapitalWarrantConvertedToCommonStockInShares"/>
<link:label xlink:type="resource" xlink:label="pymx_AdjustmentsToAdditionalPaidInCapitalWarrantConvertedToCommonStockInShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="pymx_AdjustmentsToAdditionalPaidInCapitalWarrantConvertedToCommonStockInShares_lbl" xml:lang="en-US" id="pymx_AdjustmentsToAdditionalPaidInCapitalWarrantConvertedToCommonStockInShares_lbl"> Adjustments To Additional Paid In Capital Warrant Converted To Common Stock In Shares </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AdjustmentsToAdditionalPaidInCapitalWarrantConvertedToCommonStockInShares" xlink:to="pymx_AdjustmentsToAdditionalPaidInCapitalWarrantConvertedToCommonStockInShares_lbl" xlink:title="label: AdjustmentsToAdditionalPaidInCapitalWarrantConvertedToCommonStockInShares to pymx_AdjustmentsToAdditionalPaidInCapitalWarrantConvertedToCommonStockInShares_lbl"/>
<link:label xlink:type="resource" xlink:label="pymx_AdjustmentsToAdditionalPaidInCapitalWarrantConvertedToCommonStockInShares_lbl1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="pymx_AdjustmentsToAdditionalPaidInCapitalWarrantConvertedToCommonStockInShares_lbl1" xml:lang="en-US" id="pymx_AdjustmentsToAdditionalPaidInCapitalWarrantConvertedToCommonStockInShares_lbl1"> Number of shares issued due to conversion of outstanding common stock warrants. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AdjustmentsToAdditionalPaidInCapitalWarrantConvertedToCommonStockInShares" xlink:to="pymx_AdjustmentsToAdditionalPaidInCapitalWarrantConvertedToCommonStockInShares_lbl1" xlink:title="label: AdjustmentsToAdditionalPaidInCapitalWarrantConvertedToCommonStockInShares to pymx_AdjustmentsToAdditionalPaidInCapitalWarrantConvertedToCommonStockInShares_lbl1"/>
<link:label xlink:type="resource" xlink:label="pymx_AdjustmentsToAdditionalPaidInCapitalWarrantConvertedToCommonStockInShares_lbl2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="pymx_AdjustmentsToAdditionalPaidInCapitalWarrantConvertedToCommonStockInShares_lbl2" xml:lang="en-US" id="pymx_AdjustmentsToAdditionalPaidInCapitalWarrantConvertedToCommonStockInShares_lbl2"> Issuance of common stock upon exercise of outstanding warrants (in shares) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AdjustmentsToAdditionalPaidInCapitalWarrantConvertedToCommonStockInShares" xlink:to="pymx_AdjustmentsToAdditionalPaidInCapitalWarrantConvertedToCommonStockInShares_lbl2" xlink:title="label: AdjustmentsToAdditionalPaidInCapitalWarrantConvertedToCommonStockInShares to pymx_AdjustmentsToAdditionalPaidInCapitalWarrantConvertedToCommonStockInShares_lbl2"/>
<link:loc xlink:type="locator" xlink:href="pymx-20111231.xsd#pymx_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsGrantedToEmployees" xlink:label="AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsGrantedToEmployees" xlink:title="AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsGrantedToEmployees"/>
<link:label xlink:type="resource" xlink:label="pymx_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsGrantedToEmployees_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="pymx_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsGrantedToEmployees_lbl" xml:lang="en-US" id="pymx_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsGrantedToEmployees_lbl"> Adjustments To Additional Paid In Capital Share Based Compensation Stock Options Granted To Employees </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsGrantedToEmployees" xlink:to="pymx_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsGrantedToEmployees_lbl" xlink:title="label: AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsGrantedToEmployees to pymx_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsGrantedToEmployees_lbl"/>
<link:label xlink:type="resource" xlink:label="pymx_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsGrantedToEmployees_lbl1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="pymx_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsGrantedToEmployees_lbl1" xml:lang="en-US" id="pymx_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsGrantedToEmployees_lbl1"> This element represents the amount of recognized equity-based compensation related to stock options during the period granted to employees and the amount recognized as expense. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsGrantedToEmployees" xlink:to="pymx_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsGrantedToEmployees_lbl1" xlink:title="label: AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsGrantedToEmployees to pymx_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsGrantedToEmployees_lbl1"/>
<link:label xlink:type="resource" xlink:label="pymx_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsGrantedToEmployees_lbl2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="pymx_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsGrantedToEmployees_lbl2" xml:lang="en-US" id="pymx_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsGrantedToEmployees_lbl2"> Issuance of common stock to employees </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsGrantedToEmployees" xlink:to="pymx_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsGrantedToEmployees_lbl2" xlink:title="label: AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsGrantedToEmployees to pymx_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsGrantedToEmployees_lbl2"/>
<link:loc xlink:type="locator" xlink:href="pymx-20111231.xsd#pymx_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsGrantedToEmployeesInShares" xlink:label="AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsGrantedToEmployeesInShares" xlink:title="AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsGrantedToEmployeesInShares"/>
<link:label xlink:type="resource" xlink:label="pymx_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsGrantedToEmployeesInShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="pymx_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsGrantedToEmployeesInShares_lbl" xml:lang="en-US" id="pymx_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsGrantedToEmployeesInShares_lbl"> Adjustments To Additional Paid In Capital Share Based Compensation Stock Options Granted To Employees In Shares </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsGrantedToEmployeesInShares" xlink:to="pymx_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsGrantedToEmployeesInShares_lbl" xlink:title="label: AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsGrantedToEmployeesInShares to pymx_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsGrantedToEmployeesInShares_lbl"/>
<link:label xlink:type="resource" xlink:label="pymx_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsGrantedToEmployeesInShares_lbl1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="pymx_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsGrantedToEmployeesInShares_lbl1" xml:lang="en-US" id="pymx_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsGrantedToEmployeesInShares_lbl1"> This element represents the number of common stock shares granted to employees during the period. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsGrantedToEmployeesInShares" xlink:to="pymx_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsGrantedToEmployeesInShares_lbl1" xlink:title="label: AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsGrantedToEmployeesInShares to pymx_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsGrantedToEmployeesInShares_lbl1"/>
<link:label xlink:type="resource" xlink:label="pymx_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsGrantedToEmployeesInShares_lbl2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="pymx_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsGrantedToEmployeesInShares_lbl2" xml:lang="en-US" id="pymx_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsGrantedToEmployeesInShares_lbl2"> Issuance of common stock to employees (in shares) </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsGrantedToEmployeesInShares" xlink:to="pymx_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsGrantedToEmployeesInShares_lbl2" xlink:title="label: AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsGrantedToEmployeesInShares to pymx_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsGrantedToEmployeesInShares_lbl2"/>
<link:loc xlink:type="locator" xlink:href="pymx-20111231.xsd#pymx_WarrantsIssuedToCreditorAndPlacementAgent" xlink:label="WarrantsIssuedToCreditorAndPlacementAgent" xlink:title="WarrantsIssuedToCreditorAndPlacementAgent"/>
<link:label xlink:type="resource" xlink:label="pymx_WarrantsIssuedToCreditorAndPlacementAgent_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="pymx_WarrantsIssuedToCreditorAndPlacementAgent_lbl" xml:lang="en-US" id="pymx_WarrantsIssuedToCreditorAndPlacementAgent_lbl"> Warrants issued to creditor and placement agent </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="WarrantsIssuedToCreditorAndPlacementAgent" xlink:to="pymx_WarrantsIssuedToCreditorAndPlacementAgent_lbl" xlink:title="label: WarrantsIssuedToCreditorAndPlacementAgent to pymx_WarrantsIssuedToCreditorAndPlacementAgent_lbl"/>
<link:label xlink:type="resource" xlink:label="pymx_WarrantsIssuedToCreditorAndPlacementAgent_lbl1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="pymx_WarrantsIssuedToCreditorAndPlacementAgent_lbl1" xml:lang="en-US" id="pymx_WarrantsIssuedToCreditorAndPlacementAgent_lbl1"> The fair value of restricted stock or stock options granted to creditor and placement agent as payment for services rendered or acknowledged claims. </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="WarrantsIssuedToCreditorAndPlacementAgent" xlink:to="pymx_WarrantsIssuedToCreditorAndPlacementAgent_lbl1" xlink:title="label: WarrantsIssuedToCreditorAndPlacementAgent to pymx_WarrantsIssuedToCreditorAndPlacementAgent_lbl1"/>
<link:loc xlink:type="locator" xlink:href="pymx-20111231.xsd#pymx_UnearnedStockBasedCompensationMember" xlink:label="UnearnedStockBasedCompensationMember" xlink:title="UnearnedStockBasedCompensationMember"/>
<link:label xlink:type="resource" xlink:label="pymx_UnearnedStockBasedCompensationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="pymx_UnearnedStockBasedCompensationMember_lbl" xml:lang="en-US" id="pymx_UnearnedStockBasedCompensationMember_lbl"> Unearned Stock-Based Compensation [Member] </link:label>
<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="UnearnedStockBasedCompensationMember" xlink:to="pymx_UnearnedStockBasedCompensationMember_lbl" xlink:title="label: UnearnedStockBasedCompensationMember to pymx_UnearnedStockBasedCompensationMember_lbl"/>
</link:labelLink>
</link:linkbase>

↑Top
Filing Submission 0001341843-12-000004   –   Alternative Formats (Word / Rich Text, HTML, Plain Text, et al.)
Copyright © 2024 Fran Finnegan & Company LLC – All Rights Reserved.
About — Privacy — Redactions — Help — Sun., Apr. 28, 11:32:51.1pm ET