Stockholders Equity (Details 5) (USD $)			3 Months Ended
	Mar. 31, 2013	Dec. 31, 2012	Mar. 31, 2013 $0.01 - 5.00 [Member]	Mar. 31, 2013 $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	4,212,730	4,279,919		2,009,436
Weighted Average Remaining Contractual Life (Years)				1 year 7 months 24 days
Weighted Average Exercise Price	$ 3.77	$ 3.70		$ 3.88
Aggregate Intrinsic Value	$ 3,958,862			$ 1,308,616