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Stockholders' Equity (Details) - Employee Stock Option [Member]
3 Months Ended 12 Months Ended
Mar. 31, 2016
Dec. 31, 2015
Stock Options Valuation Assumptions [Line Items]    
Expected term (in years) 10 years 10 years
Volatility, Minimum 176.00% 180.00%
Volatility, Maximum 184.00% 184.00%
Dividend yield 0.00% 0.00%
Risk-free interest rate, Minimum 2.24% 2.24%
Risk-free interest rate, Maximum 2.32% 2.32%