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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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6 Months Ended | |
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Jun. 30, 2013
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Jun. 30, 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) | 837,754 | (540,387) |
| Transfers out of level 3 | (16,820) | |
| Balance at June 30 | $ 3,662,999 | $ 328,338 |
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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
Amount of transfers of financial instrument classified as a liability out of level 3 of the fair value hierarchy. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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