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Warrant Liability (Details 3) (USD $) | 3 Months Ended
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Mar. 31, 2013
Summary of changes in fair value of warrant liability |
Number of warrants, ending balance | 9,601,378
Series A Warrants [Member] |
Summary of changes in fair value of warrant liability |
Number of warrants, beginning balance | 8,501,429
Fair value of warrant liability, beginning balance | $ 9,157,397
Number of warrants exercised | (334,534)
Fair value of warrants exercised | (418,841)
Fair value, changes in fair value at period end | 213,503
Number of warrants, ending balance | 8,166,895
Fair value of warrant liability, ending balance | $ 8,952,059

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- Details
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- Definition Warrants exercised. + References No definition available. + Details
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- Definition Warrants outstanding. + References No definition available. + Details
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