Fair Value (Tables)

6 Months Ended

Jun. 30, 2012

Fair Value Disclosures [Abstract]

Schedule of financial assets and liabilities at fair value on a recurring basis

			Quoted Prices in Active		Signinficant		Significant
			Markets for Identical		Other Observable		Unobservable
			Items		Inputs		Inputs
Balance at June 30, 2012	Total		(Level 1)		(Level 2)		(Level 3)
Common stock warrant liabililty	$	3,029,189	$	-	$	-	$	3,029,189

Schedule of liabilities measured at fair value on a recurring basis using significant unobservable inputs

	Fair Value
	Measurement Using
	Significant
Common stock warrant liability	Unobservable Inputs
Beginning of period - January 1, 2012	$	5,320,990
Change in fair value of common stock warrants	(2,291,801)
Fair value of common stock warrant liability at June 30, 2012	$	3,029,189