Equity Incentive Plans (Details 3) (USD $)			6 Months Ended
	Jun. 30, 2012	Dec. 31, 2011	Jun. 30, 2012 Exercise Price Range Zero Point Zero One [Member]	Jun. 30, 2012 Exercise Price Range Zero Point Two Nine To Zero Point Four Five [Member]	Jun. 30, 2012 Exercise Price Range Zero Point Six Zero To Zero Point Seven Zero [Member]
Range Of Exercise Prices Lower Limit				$ 0.29	$ 0.60
Range of Exercise Prices Upper Limit			$ 0.01	$ 0.45	$ 0.70
Number Outstanding (in shares)	13,250,508		643,465	9,707,043	2,900,000
Options Ouststanding, Weighted-Average Remaining Contractual Life (Years)			0 years 8 months	5 years 9 months 18 days	6 years 5 months 24 days
Options Ouststanding, Weighted-Average Exercise Price (in dollars per share)	$ 0.38	$ 0.34	$ 0.01	$ 0.32	$ 0.68
Number Of Option Exercisable (in shares)	10,033,107		643,465	7,189,642	2,200,000
Option Exercisable, Weighted- Average Exercise Price (in dollars per share)			$ 0.01	$ 0.31	$ 0.68