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Equity-Based Compensation (Valuation Assumptions) (Details) (USD $)
9 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Method Used Black-Scholes-Merton  
Expected dividend yield 0.00% 0.00%
Expected lives 5 years 5 years
Weighted Average [Member]
   
Weighted average grant date fair value per option 0.23 0.30
Weighted average grant date fair value, options issued 1,499,000 990,000
Maximum [Member]
   
Risk-free interest rate 0.86% 2.24%
Expected volatility 111.95% 104.88%
Minimum [Member]
   
Risk-free interest rate 0.68% 0.89%
Expected volatility 108.76% 104.29%