Stockholders' Equity (Details 5) (USD $)			9 Months Ended
	Sep. 30, 2012	Dec. 31, 2011	Sep. 30, 2012 $ 0.01 - 5.00 [Member]	Sep. 30, 2012 $ 0.01 - 5.00 [Member] Warrant [Member]
Summary of warrants outstanding to purchase common stock
Range of Exercise Prices, minimum			$ 0.01
Range of Exercise Prices, maximum			$ 5.00
Number Outstanding	4,240,352	4,553,251		2,246,301
Weighted Average Remaining Contractual Life (Years)				2 years 1 month 24 days
Weighted Average Exercise Price	$ 3.67	$ 3.66		$ 3.82
Aggregate Intrinsic Value	$ 11,443,601			$ 5,620,485