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% |