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Stockholders' Equity - Schedule of Share-based Payment Valuation Assumptions (Details) - $ / shares
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Expected dividend yield 0.00% 0.00%
Expected volatility, minimum 95.50% 90.00%
Expected volatility, maximum 99.20% 152.60%
Expected life (in years) 5 years 5 years
Risk-free interest rate, minimum 1.37% 0.75%
Risk-free interest rate, maximum 1.62% 1.97%
Minimum [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Grant price $ 1.15 $ 3.09
Exercise price 1.15 3.09
Maximum [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Grant price 1.56 5.68
Exercise price $ 1.56 $ 5.68