Securities Purchase Agreement (Details 2) (Series D-1 Warrants [Member], USD $)	Jun. 30, 2012	Dec. 31, 2011
Series D-1 Warrants [Member]
Series D1 warrants using binomial option pricing
Closing price per share of common stock	$ 0.06	$ 0.27
Conversion price per share	$ 0.05	$ 0.60
Volatility	67.10%	67.50%
Risk-free interest rate	0.30%	0.28%
Remaining expected lives of underlying securities (years)	1 year 8 months 12 days	2 years 2 months 12 days
Probability of Strategic Transaction		70.00%