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Stock-Based Compensation (Details 1)
12 Months Ended
Dec. 31, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Volatility, Minimum 156.00%
Volatility, Maximum 169.00%
Expected dividends 0.00%
Expected term (in years) 5 years 9 months 18 days
Risk-free rate, Minimum 2.70%
Risk-free rate, Maxiumum 2.90%