Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements (Reconciliation Of Changes In The Fair Value Of Liabilities) (Details)

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Fair Value Measurements (Reconciliation Of Changes In The Fair Value Of Liabilities) (Details) (Warrant Liabilities [Member], USD $)
9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Warrant Liabilities [Member]
   
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Balance at January 1 $ 5,034,058 $ 2,842,065
Additions 3,691,429 1,406,441
Unrealized losses, net 6,793,765 1,055,505
Transfers out of level 3 (10,137,243) (1,111,795)
Balance at September 30 $ 5,382,009 $ 4,192,216