Warrants (Details 1) - $ / shares |
12 Months Ended | |
---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
|
Expected term (years) | 6 years 29 days | |
Cumulative volatility % | 108.00% | |
Liabilities [Member] | February 2012 warrants [Member] | ||
Strike price | $ .60 | |
Expected term (years) | 2 months 12 days | |
Cumulative volatility % | 81.00% | |
Risk-free rate % | 0.49% | |
Liabilities [Member] | August 2013 warrants [Member] | ||
Strike price | $ .40 | |
Expected term (years) | 7 years 7 months 12 days | |
Cumulative volatility % | 101.00% | |
Risk-free rate % | 2.18% | |
Liabilities [Member] | October 2013 warrants [Member] | ||
Strike price | $ .50 | |
Expected term (years) | 2 years 9 months 18 days | |
Cumulative volatility % | 78.00% | |
Risk-free rate % | 1.26% | |
Liabilities [Member] | October 2013 Series A warrants [Member] | ||
Strike price | $ .50 | |
Expected term (years) | 7 years 9 months 18 days | |
Cumulative volatility % | 101.00% | |
Risk-free rate % | 2.40% | |
Liabilities [Member] | January 2014 [Member] | ||
Strike price | $ .50 | |
Expected term (years) | 8 years | |
Cumulative volatility % | 100.00% | |
Risk-free rate % | 2.15% |