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Securities Purchase Agreement (Details 3) (Series C-2 Warrants [Member], USD $)
Dec. 31, 2012
Dec. 31, 2011
Series C-2 Warrants [Member]
   
Series C2 warrants using binomial option pricing    
Closing price per share of Common Stock $ 0.00 $ 0.27
Conversion price per share $ 0.00 $ 0.60
Volatility 0.00% 88.00%
Risk-free interest rate 0.00% 0.83%
Credit spread 0.00% 20.90%
Remaining expected lives of underlying securities (years) 0 years 5 years
Time to Exercise (months) 0 years 24 months