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Stock-Based Compensation (Details)
9 Months Ended
Sep. 30, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Expected dividend yield 0.00%
Maximum [Member]
 
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Risk-free interest rate 1.22%
Volatility 131.79%
Expected term 6 years 3 months
Minimum [Member]
 
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Risk-free interest rate 1.09%
Volatility 127.46%
Expected term 5 years 9 months