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Warrants (Details) (USD $)
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3 Months Ended | 0 Months Ended |
|---|---|---|
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Mar. 31, 2015
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Feb. 07, 2007
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| Class of Warrant or Right [Line Items] | ||
| Right to purchase one share of common stock, per common share | $ 11.41corr_ClassofWarrantorRightRighttoPurchaseShareofCommonStockPerCommonShare | |
| Warrants expiration date | Feb. 06, 2014 | |
| Warrant [Member] | ||
| Class of Warrant or Right [Line Items] | ||
| Shares issued during period |
945,594us-gaap_StockIssuedDuringPeriodSharesNewIssues / us-gaap_StatementEquityComponentsAxis = us-gaap_WarrantMember |
| X | ||||||||||
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- Definition
Class of Warrant or Right, Right to Purchase Share of Common Stock, Per Common Share No definition available.
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- Definition
Date the warrants or rights are exercisable, in CCYY-MM-DD format. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition
Number of new stock issued during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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