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Fair Value Measurements (Reconciliation Of Changes In The Fair Value Of Liabilities) (Details) (Warrant Liabilities [Member], USD $)
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3 Months Ended | |
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Mar. 31, 2013
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Mar. 31, 2012
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Warrant Liabilities [Member]
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| Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | ||
| Balance at January 1 | $ 2,842,065 | $ 868,725 |
| Unrealized gains (losses) | (368,902) | 261,861 |
| Balance at December 31 | $ 2,473,163 | $ 1,130,586 |
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- Definition
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Unrealized Losses No definition available.
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- Details
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- Definition
This element represents a liability measured at fair value using significant unobservable inputs (Level 3) which is required for reconciliation purposes of beginning and ending balances. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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