Subsequent Event (Details) (USD $)	1 Months Ended	6 Months Ended	1 Months Ended		1 Months Ended			1 Months Ended		1 Months Ended		1 Months Ended
	Feb. 22, 2011	Jun. 30, 2011	Feb. 22, 2011 Convertible Notes	Jun. 30, 2012 Convertible Notes	Jul. 31, 2012 Subsequent Event	Jul. 31, 2012 Subsequent Event 2012 Warrants	Jul. 02, 2012 Subsequent Event 2012 Warrants	Jul. 31, 2012 Subsequent Event $0.15 Warrants	Jul. 02, 2012 Subsequent Event $0.15 Warrants	Jul. 31, 2012 Subsequent Event $0.25 Warrants	Jul. 02, 2012 Subsequent Event $0.25 Warrants	Jul. 31, 2012 Subsequent Event Convertible Notes Second tranche	Jul. 02, 2012 Subsequent Event Convertible Notes Second tranche
Subsequent Event
Aggregate principal amount of debts agreed to issue and sell			$ 4,000,000									$ 1,000,000
Interest rate (as a percent)			5.00%	5.00%									5.00%
Purchase price as a percentage of exercise price of warrants						30.00%
Exercise price of warrants									$ 0.15		$ 0.25
Conversion Price (in dollars per share)				$ 0.10									$ 0.10
Warrants issued for purchase of shares of common stock						20,000,000		10,000,000		10,000,000
Term of warrants						5 years
Initial carrying value			3,208,000										417,000
Derivative liability			3,680,000	8,920,000			2,900,000						2,100,000
Allocation of initial proceeds	4,000,000		3,208,000			583,000
Financing costs associated with convertible notes		$ 530,000			$ 85,000