Securities Purchase Agreement (Details 2) (Series D-1 Warrants [Member], USD $)	Sep. 30, 2012	Dec. 31, 2011
Series D-1 Warrants [Member]
Series D1 warrants using binomial option pricing
Closing price per share of common stock	$ 0.044	$ 0.27
Conversion price per share	$ 0.005	$ 0.60
Volatility	74.80%	67.50%
Risk-free interest rate	0.23%	0.28%
Remaining expected lives of underlying securities (years)	2 years 6 months	2 years 2 months 12 days
Probability of Strategic Transaction	41.00%	70.00%