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Warrant Liabilities (Details) - USD ($)
3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Derivative [Line Items]    
Loss on warrant liability $ (184,272) $ (1,871,294)
Warrants [Member]    
Derivative [Line Items]    
Risk-free interest rate 0.21% 0.41%
Expected dividend yield 0.00% 0.00%
Expected lives 4 months 2 days 1 year 4 months 2 days
Expected volatility 86.80% 92.40%
Warrants classified as liabilities (in shares) 6,371,854 6,371,854
Loss on warrant liability $ (184,273) $ (1,871,294)