Equity Incentive Plans (Details 2) (USD $)	3 Months Ended
	Mar. 31, 2013
Options, Outstanding at March 31, 2013 (in shares)	16,463,508
Stock Options [Member]
Options, Outstanding at December 31, 2012 (in shares)	13,100,508
Option, Granted (in shares)	3,813,000
Options, Cancelled (in shares)	450,000
Options, Outstanding at March 31, 2013 (in shares)	16,463,508
Options, Vested or expected to vest at March 31, 2013	16,463,508
Weighted Average Exercise Price, Outstanding at December 31, 2012 (in dollars per share)	$ 0.38
Weighted Average Exercise Price, Granted (in dollars per share)	$ 0.16
Weighted Average Exercise Price, Cancelled (in dollars per share)	$ 0.37
Weighted Average Exercise Price, Outstanding at March 31, 2013 (in dollars per share)	$ 0.33
Weighted Average Exercise Price, Vested or expected to vest at March 31, 2013 (in dollars per share)	$ 0.33