| | | | | | | | | | | | | | | | | | | | | |
<?xml version="1.0" encoding="windows-1252"?> |
<FilingSummary> |
| <Version> 3.7.0.1 </Version> |
| <ProcessingTime/> |
| <ReportFormat> html </ReportFormat> |
| <ContextCount> 174 </ContextCount> |
| <ElementCount> 271 </ElementCount> |
| <EntityCount> 1 </EntityCount> |
| <FootnotesReported> false </FootnotesReported> |
| <SegmentCount> 60 </SegmentCount> |
| <ScenarioCount> 0 </ScenarioCount> |
| <TuplesReported> false </TuplesReported> |
| <UnitCount> 6 </UnitCount> |
| <MyReports> |
| | <Report instance="crex-20170630.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R1.htm </HtmlFileName> |
| | | <LongName> 001 - Document - Document and Entity Information </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.cri.com/role/DocumentAndEntityInformation </Role> |
| | | <ShortName> Document and Entity Information </ShortName> |
| | | <MenuCategory> Cover </MenuCategory> |
| | | <Position> 1 </Position> |
| | | </Report> |
| | <Report instance="crex-20170630.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R2.htm </HtmlFileName> |
| | | <LongName> 002 - Statement - Condensed Consolidated Balance Sheets </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.cri.com/role/CondensedConsolidatedBalanceSheets </Role> |
| | | <ShortName> Condensed Consolidated Balance Sheets </ShortName> |
| | | <MenuCategory> Statements </MenuCategory> |
| | | <Position> 2 </Position> |
| | | </Report> |
| | <Report instance="crex-20170630.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R3.htm </HtmlFileName> |
| | | <LongName> 003 - Statement - Condensed Consolidated Balance Sheets (Parenthetical) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.cri.com/role/CondensedConsolidatedBalanceSheetsParenthetical </Role> |
| | | <ShortName> Condensed Consolidated Balance Sheets (Parenthetical) </ShortName> |
| | | <MenuCategory> Statements </MenuCategory> |
| | | <Position> 3 </Position> |
| | | </Report> |
| | <Report instance="crex-20170630.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R4.htm </HtmlFileName> |
| | | <LongName> 004 - Statement - Condensed Consolidated Statements of Operations (Unaudited) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.cri.com/role/CondensedConsolidatedStatementsOfOperationsUnaudited </Role> |
| | | <ShortName> Condensed Consolidated Statements of Operations (Unaudited) </ShortName> |
| | | <MenuCategory> Statements </MenuCategory> |
| | | <Position> 4 </Position> |
| | | </Report> |
| | <Report instance="crex-20170630.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R5.htm </HtmlFileName> |
| | | <LongName> 005 - Statement - Condensed Consolidated Statements of Cash Flows (Unaudited) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.cri.com/role/CondensedConsolidatedStatementsOfCashFlowsUnaudited </Role> |
| | | <ShortName> Condensed Consolidated Statements of Cash Flows (Unaudited) </ShortName> |
| | | <MenuCategory> Statements </MenuCategory> |
| | | <Position> 5 </Position> |
| | | </Report> |
| | <Report instance="crex-20170630.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R6.htm </HtmlFileName> |
| | | <LongName> 006 - Disclosure - Nature of Operations, Liquidity </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.cri.com/role/NatureOfOperationsLiquidity </Role> |
| | | <ShortName> Nature of Operations, Liquidity </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 6 </Position> |
| | | </Report> |
| | <Report instance="crex-20170630.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R7.htm </HtmlFileName> |
| | | <LongName> 007 - Disclosure - Summary of Significant Accounting Policies and Accounting Changes </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.cri.com/role/SummaryOfSignificantAccountingPoliciesAndAccountingChanges </Role> |
| | | <ShortName> Summary of Significant Accounting Policies and Accounting Changes </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 7 </Position> |
| | | </Report> |
| | <Report instance="crex-20170630.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R8.htm </HtmlFileName> |
| | | <LongName> 008 - Disclosure - Fair Value Measurement </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.cri.com/role/FairValueMeasurement </Role> |
| | | <ShortName> Fair Value Measurement </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 8 </Position> |
| | | </Report> |
| | <Report instance="crex-20170630.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R9.htm </HtmlFileName> |
| | | <LongName> 009 - Disclosure - Other Financial Statement Information </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.cri.com/role/OtherFinancialStatementInformation </Role> |
| | | <ShortName> Other Financial Statement Information </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 9 </Position> |
| | | </Report> |
| | <Report instance="crex-20170630.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R10.htm </HtmlFileName> |
| | | <LongName> 010 - Disclosure - Intangible Assets </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.cri.com/role/IntangibleAssets </Role> |
| | | <ShortName> Intangible Assets </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 10 </Position> |
| | | </Report> |
| | <Report instance="crex-20170630.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R11.htm </HtmlFileName> |
| | | <LongName> 011 - Disclosure - Loans Payable </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.cri.com/role/LoansPayable </Role> |
| | | <ShortName> Loans Payable </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 11 </Position> |
| | | </Report> |
| | <Report instance="crex-20170630.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R12.htm </HtmlFileName> |
| | | <LongName> 012 - Disclosure - Structured Settlement Program </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.cri.com/role/StructuredSettlementProgram </Role> |
| | | <ShortName> Structured Settlement Program </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 12 </Position> |
| | | </Report> |
| | <Report instance="crex-20170630.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R13.htm </HtmlFileName> |
| | | <LongName> 013 - Disclosure - Commitments and Contingencies </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.cri.com/role/CommitmentsAndContingencies </Role> |
| | | <ShortName> Commitments and Contingencies </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 13 </Position> |
| | | </Report> |
| | <Report instance="crex-20170630.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R14.htm </HtmlFileName> |
| | | <LongName> 014 - Disclosure - Related Party Transactions </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.cri.com/role/RelatedPartyTransactions </Role> |
| | | <ShortName> Related Party Transactions </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 14 </Position> |
| | | </Report> |
| | <Report instance="crex-20170630.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R15.htm </HtmlFileName> |
| | | <LongName> 015 - Disclosure - Income Taxes </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.cri.com/role/IncomeTaxes </Role> |
| | | <ShortName> Income Taxes </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 15 </Position> |
| | | </Report> |
| | <Report instance="crex-20170630.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R16.htm </HtmlFileName> |
| | | <LongName> 016 - Disclosure - Convertible Preferred Stock and Warrants </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.cri.com/role/ConvertiblePreferredStockAndWarrants </Role> |
| | | <ShortName> Convertible Preferred Stock and Warrants </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 16 </Position> |
| | | </Report> |
| | <Report instance="crex-20170630.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R17.htm </HtmlFileName> |
| | | <LongName> 017 - Disclosure - Stockholders' Equity </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.cri.com/role/StockholdersEquity </Role> |
| | | <ShortName> Stockholders' Equity </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 17 </Position> |
| | | </Report> |
| | <Report instance="crex-20170630.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R18.htm </HtmlFileName> |
| | | <LongName> 018 - Disclosure - Stock-Based Compensation </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.cri.com/role/StockBasedCompensation </Role> |
| | | <ShortName> Stock-Based Compensation </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 18 </Position> |
| | | </Report> |
| | <Report instance="crex-20170630.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R19.htm </HtmlFileName> |
| | | <LongName> 019 - Disclosure - Segment Information and Significant Customers </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.cri.com/role/SegmentInformationAndSignificantCustomers </Role> |
| | | <ShortName> Segment Information and Significant Customers </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 19 </Position> |
| | | </Report> |
| | <Report instance="crex-20170630.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R20.htm </HtmlFileName> |
| | | <LongName> 020 - Disclosure - Subsequent Event </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.cri.com/role/SubsequentEvent </Role> |
| | | <ShortName> Subsequent Event </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 20 </Position> |
| | | </Report> |
| | <Report instance="crex-20170630.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R21.htm </HtmlFileName> |
| | | <LongName> 021 - Disclosure - Summary of Significant Accounting Policies and Accounting Changes (Policies) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.cri.com/role/SummaryOfSignificantAccountingPoliciesAndAccountingChangesPolicies </Role> |
| | | <ShortName> Summary of Significant Accounting Policies and Accounting Changes (Policies) </ShortName> |
| | | <MenuCategory> Policies </MenuCategory> |
| | | <ParentRole> http://www.cri.com/role/SummaryOfSignificantAccountingPoliciesAndAccountingChanges </ParentRole> |
| | | <Position> 21 </Position> |
| | | </Report> |
| | <Report instance="crex-20170630.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R22.htm </HtmlFileName> |
| | | <LongName> 022 - Disclosure - Summary of Significant Accounting Policies and Accounting Changes (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.cri.com/role/SummaryofSignificantAccountingPoliciesandAccountingChangesTables </Role> |
| | | <ShortName> Summary of Significant Accounting Policies and Accounting Changes (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.cri.com/role/SummaryOfSignificantAccountingPoliciesAndAccountingChanges </ParentRole> |
| | | <Position> 22 </Position> |
| | | </Report> |
| | <Report instance="crex-20170630.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R23.htm </HtmlFileName> |
| | | <LongName> 023 - Disclosure - Fair Value Measurement (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.cri.com/role/FairValueMeasurementTables </Role> |
| | | <ShortName> Fair Value Measurement (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.cri.com/role/FairValueMeasurement </ParentRole> |
| | | <Position> 23 </Position> |
| | | </Report> |
| | <Report instance="crex-20170630.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R24.htm </HtmlFileName> |
| | | <LongName> 024 - Disclosure - Other Financial Statement Information (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.cri.com/role/OtherFinancialStatementInformationTables </Role> |
| | | <ShortName> Other Financial Statement Information (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.cri.com/role/OtherFinancialStatementInformation </ParentRole> |
| | | <Position> 24 </Position> |
| | | </Report> |
| | <Report instance="crex-20170630.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R25.htm </HtmlFileName> |
| | | <LongName> 025 - Disclosure - Intangible Assets (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.cri.com/role/IntangibleAssetsTables </Role> |
| | | <ShortName> Intangible Assets (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.cri.com/role/IntangibleAssets </ParentRole> |
| | | <Position> 25 </Position> |
| | | </Report> |
| | <Report instance="crex-20170630.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R26.htm </HtmlFileName> |
| | | <LongName> 026 - Disclosure - Loans Payable (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.cri.com/role/LoansPayableTables </Role> |
| | | <ShortName> Loans Payable (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.cri.com/role/LoansPayable </ParentRole> |
| | | <Position> 26 </Position> |
| | | </Report> |
| | <Report instance="crex-20170630.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R27.htm </HtmlFileName> |
| | | <LongName> 027 - Disclosure - Convertible Preferred Stock and Warrants (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.cri.com/role/ConvertiblePreferredStockandWarrantsTables </Role> |
| | | <ShortName> Convertible Preferred Stock and Warrants (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.cri.com/role/ConvertiblePreferredStockAndWarrants </ParentRole> |
| | | <Position> 27 </Position> |
| | | </Report> |
| | <Report instance="crex-20170630.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R28.htm </HtmlFileName> |
| | | <LongName> 028 - Disclosure - Stockholders' Equity (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.cri.com/role/StockholdersEquityTables </Role> |
| | | <ShortName> Stockholders' Equity (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.cri.com/role/StockholdersEquity </ParentRole> |
| | | <Position> 28 </Position> |
| | | </Report> |
| | <Report instance="crex-20170630.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R29.htm </HtmlFileName> |
| | | <LongName> 029 - Disclosure - Stock-Based Compensation (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.cri.com/role/StockBasedCompensationTables </Role> |
| | | <ShortName> Stock-Based Compensation (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.cri.com/role/StockBasedCompensation </ParentRole> |
| | | <Position> 29 </Position> |
| | | </Report> |
| | <Report instance="crex-20170630.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R30.htm </HtmlFileName> |
| | | <LongName> 030 - Disclosure - Nature of Operations, Liquidity (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.cri.com/role/NatureOfOperationsLiquidityDetails </Role> |
| | | <ShortName> Nature of Operations, Liquidity (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.cri.com/role/NatureOfOperationsLiquidity </ParentRole> |
| | | <Position> 30 </Position> |
| | | </Report> |
| | <Report instance="crex-20170630.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R31.htm </HtmlFileName> |
| | | <LongName> 031 - Disclosure - Summary of Significant Accounting Policies and Accounting Changes (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.cri.com/role/SummaryOfSignificantAccountingPoliciesAndAccountingChangesDetails </Role> |
| | | <ShortName> Summary of Significant Accounting Policies and Accounting Changes (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.cri.com/role/SummaryofSignificantAccountingPoliciesandAccountingChangesTables </ParentRole> |
| | | <Position> 31 </Position> |
| | | </Report> |
| | <Report instance="crex-20170630.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R32.htm </HtmlFileName> |
| | | <LongName> 032 - Disclosure - Summary of Significant Accounting Policies and Accounting Changes (Details 1) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.cri.com/role/SummaryOfSignificantAccountingPoliciesAndAccountingChangesDetails1 </Role> |
| | | <ShortName> Summary of Significant Accounting Policies and Accounting Changes (Details 1) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.cri.com/role/SummaryofSignificantAccountingPoliciesandAccountingChangesTables </ParentRole> |
| | | <Position> 32 </Position> |
| | | </Report> |
| | <Report instance="crex-20170630.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R33.htm </HtmlFileName> |
| | | <LongName> 033 - Disclosure - Summary of Significant Accounting Policies and Accounting Changes (Details Textual) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.cri.com/role/SummaryOfSignificantAccountingPoliciesAndAccountingChangesDetailsTextual </Role> |
| | | <ShortName> Summary of Significant Accounting Policies and Accounting Changes (Details Textual) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.cri.com/role/SummaryofSignificantAccountingPoliciesandAccountingChangesTables </ParentRole> |
| | | <Position> 33 </Position> |
| | | </Report> |
| | <Report instance="crex-20170630.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R34.htm </HtmlFileName> |
| | | <LongName> 034 - Disclosure - Fair Value Measurement (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.cri.com/role/FairValueMeasurementDetails </Role> |
| | | <ShortName> Fair Value Measurement (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.cri.com/role/FairValueMeasurementTables </ParentRole> |
| | | <Position> 34 </Position> |
| | | </Report> |
| | <Report instance="crex-20170630.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R35.htm </HtmlFileName> |
| | | <LongName> 035 - Disclosure - Fair Value Measurement (Details 1) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.cri.com/role/FairValueMeasurementDetails1 </Role> |
| | | <ShortName> Fair Value Measurement (Details 1) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.cri.com/role/FairValueMeasurementTables </ParentRole> |
| | | <Position> 35 </Position> |
| | | </Report> |
| | <Report instance="crex-20170630.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R36.htm </HtmlFileName> |
| | | <LongName> 036 - Disclosure - Other Financial Statement Information (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.cri.com/role/OtherFinancialStatementInformationDetails </Role> |
| | | <ShortName> Other Financial Statement Information (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.cri.com/role/OtherFinancialStatementInformationTables </ParentRole> |
| | | <Position> 36 </Position> |
| | | </Report> |
| | <Report instance="crex-20170630.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R37.htm </HtmlFileName> |
| | | <LongName> 037 - Disclosure - Intangible Assets (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.cri.com/role/IntangibleAssetsDetails </Role> |
| | | <ShortName> Intangible Assets (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.cri.com/role/IntangibleAssetsTables </ParentRole> |
| | | <Position> 37 </Position> |
| | | </Report> |
| | <Report instance="crex-20170630.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R38.htm </HtmlFileName> |
| | | <LongName> 038 - Disclosure - Intangible Assets (Details Textual) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.cri.com/role/IntangibleAssetsDetailsTextual </Role> |
| | | <ShortName> Intangible Assets (Details Textual) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.cri.com/role/IntangibleAssetsTables </ParentRole> |
| | | <Position> 38 </Position> |
| | | </Report> |
| | <Report instance="crex-20170630.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R39.htm </HtmlFileName> |
| | | <LongName> 039 - Disclosure - Loans Payable (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.cri.com/role/LoansPayableDetails </Role> |
| | | <ShortName> Loans Payable (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.cri.com/role/LoansPayableTables </ParentRole> |
| | | <Position> 39 </Position> |
| | | </Report> |
| | <Report instance="crex-20170630.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R40.htm </HtmlFileName> |
| | | <LongName> 040 - Disclosure - Loans Payable (Details Textual) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.cri.com/role/LoansPayableDetailsTextual </Role> |
| | | <ShortName> Loans Payable (Details Textual) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.cri.com/role/LoansPayableTables </ParentRole> |
| | | <Position> 40 </Position> |
| | | </Report> |
| | <Report instance="crex-20170630.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R41.htm </HtmlFileName> |
| | | <LongName> 041 - Disclosure - Structured Settlement Program (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.cri.com/role/StructuredSettlementProgramDetails </Role> |
| | | <ShortName> Structured Settlement Program (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.cri.com/role/StructuredSettlementProgram </ParentRole> |
| | | <Position> 41 </Position> |
| | | </Report> |
| | <Report instance="crex-20170630.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R42.htm </HtmlFileName> |
| | | <LongName> 042 - Disclosure - Related Party Transactions (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.cri.com/role/RelatedPartyTransactionsDetails </Role> |
| | | <ShortName> Related Party Transactions (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.cri.com/role/RelatedPartyTransactions </ParentRole> |
| | | <Position> 42 </Position> |
| | | </Report> |
| | <Report instance="crex-20170630.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R43.htm </HtmlFileName> |
| | | <LongName> 043 - Disclosure - Income Taxes (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.cri.com/role/IncomeTaxesDetails </Role> |
| | | <ShortName> Income Taxes (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.cri.com/role/IncomeTaxes </ParentRole> |
| | | <Position> 43 </Position> |
| | | </Report> |
| | <Report instance="crex-20170630.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R44.htm </HtmlFileName> |
| | | <LongName> 044 - Disclosure - Convertible Preferred Stock and Warrants (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.cri.com/role/ConvertiblePreferredStockAndWarrantsDetails </Role> |
| | | <ShortName> Convertible Preferred Stock and Warrants (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.cri.com/role/ConvertiblePreferredStockandWarrantsTables </ParentRole> |
| | | <Position> 44 </Position> |
| | | </Report> |
| | <Report instance="crex-20170630.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R45.htm </HtmlFileName> |
| | | <LongName> 045 - Disclosure - Convertible Preferred Stock and Warrants (Details 1) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.cri.com/role/ConvertiblePreferredStockAndWarrantsDetails1 </Role> |
| | | <ShortName> Convertible Preferred Stock and Warrants (Details 1) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.cri.com/role/ConvertiblePreferredStockandWarrantsTables </ParentRole> |
| | | <Position> 45 </Position> |
| | | </Report> |
| | <Report instance="crex-20170630.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R46.htm </HtmlFileName> |
| | | <LongName> 046 - Disclosure - Convertible Preferred Stock and Warrants (Details Textual) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.cri.com/role/ConvertiblePreferredStockAndWarrantsDetailsTextual </Role> |
| | | <ShortName> Convertible Preferred Stock and Warrants (Details Textual) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.cri.com/role/ConvertiblePreferredStockandWarrantsTables </ParentRole> |
| | | <Position> 46 </Position> |
| | | </Report> |
| | <Report instance="crex-20170630.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R47.htm </HtmlFileName> |
| | | <LongName> 047 - Disclosure - Stockholders' Equity (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.cri.com/role/Stockholdersequitydetails </Role> |
| | | <ShortName> Stockholders' Equity (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.cri.com/role/StockholdersEquityTables </ParentRole> |
| | | <Position> 47 </Position> |
| | | </Report> |
| | <Report instance="crex-20170630.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R48.htm </HtmlFileName> |
| | | <LongName> 048 - Disclosure - Stockholders' Equity (Details 1) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.cri.com/role/StockholdersEquityDetails1 </Role> |
| | | <ShortName> Stockholders' Equity (Details 1) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.cri.com/role/StockholdersEquityTables </ParentRole> |
| | | <Position> 48 </Position> |
| | | </Report> |
| | <Report instance="crex-20170630.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R49.htm </HtmlFileName> |
| | | <LongName> 049 - Disclosure - Stockholders' Equity (Details Textual) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.cri.com/role/StockholdersEquityDetailsTextual </Role> |
| | | <ShortName> Stockholders' Equity (Details Textual) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.cri.com/role/StockholdersEquityTables </ParentRole> |
| | | <Position> 49 </Position> |
| | | </Report> |
| | <Report instance="crex-20170630.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R50.htm </HtmlFileName> |
| | | <LongName> 050 - Disclosure - Stock-Based Compensation (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.cri.com/role/StockBasedCompensationDetails </Role> |
| | | <ShortName> Stock-Based Compensation (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.cri.com/role/StockBasedCompensationTables </ParentRole> |
| | | <Position> 50 </Position> |
| | | </Report> |
| | <Report instance="crex-20170630.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R51.htm </HtmlFileName> |
| | | <LongName> 051 - Disclosure - Stock-Based Compensation (Details Textual) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.cri.com/role/StockBasedCompensationDetailsTextual </Role> |
| | | <ShortName> Stock-Based Compensation (Details Textual) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.cri.com/role/StockBasedCompensationTables </ParentRole> |
| | | <Position> 51 </Position> |
| | | </Report> |
| | <Report instance="crex-20170630.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R52.htm </HtmlFileName> |
| | | <LongName> 052 - Disclosure - Segment Information and Significant Customers (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.cri.com/role/SegmentInformationAndSignificantCustomersDetails </Role> |
| | | <ShortName> Segment Information and Significant Customers (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.cri.com/role/SegmentInformationAndSignificantCustomers </ParentRole> |
| | | <Position> 52 </Position> |
| | | </Report> |
| | <Report instance="crex-20170630.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R53.htm </HtmlFileName> |
| | | <LongName> 053 - Disclosure - Subsequent Event (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.cri.com/role/SubsequentEventDetails </Role> |
| | | <ShortName> Subsequent Event (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.cri.com/role/SubsequentEvent </ParentRole> |
| | | <Position> 53 </Position> |
| | | </Report> |
| | <Report> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <LongName> All Reports </LongName> |
| | | <ReportType> Book </ReportType> |
| | | <ShortName> All Reports </ShortName> |
| | | </Report> |
| | </MyReports> |
| <InputFiles> |
| | <File> crex-20170630.xml </File> |
| | <File> crex-20170630.xsd </File> |
| | <File> crex-20170630_cal.xml </File> |
| | <File> crex-20170630_def.xml </File> |
| | <File> crex-20170630_lab.xml </File> |
| | <File> crex-20170630_pre.xml </File> |
| | </InputFiles> |
| <SupplementalFiles/> |
| <BaseTaxonomies/> |
| <HasPresentationLinkbase> true </HasPresentationLinkbase> |
| <HasCalculationLinkbase> true </HasCalculationLinkbase> |
| </FilingSummary> |