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Temporary Equity (Details 1)
9 Months Ended
Sep. 30, 2018
$ / shares
Exercise price $ 0.23
Expected term (years) 5 years 2 months 12 days
Expected stock price volatility 96.00%
Risk-free rate of interest 3.00%
Class D-1 Warrants [Member]  
Exercise price $ 0.22
Expected term (years) 2 years
Expected stock price volatility 116.00%
Risk-free rate of interest 2.00%
Dividend yield (per share) 0.00%
Class D-2 Warrants [Member]  
Exercise price $ 0.30
Expected term (years) 2 years
Expected stock price volatility 115.00%
Risk-free rate of interest 2.00%
Dividend yield (per share) 0.00%