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Stockholders' Equity - Schedule of Weighted Average Fair Value of Options Granted (Details)
3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Equity [Abstract]    
Volatility rate minimum 99.00%
Volatility rate maximum 101.00%
Risk-free interest rate minimum 1.00%
Risk-free interest rate maximum 2.00%
Expected term 7 years 0 years