Fair Value Measurements (Details 1) - $ / shares |
6 Months Ended | 12 Months Ended |
|---|---|---|
Jun. 30, 2015 |
Dec. 31, 2014 |
|
| Schedule of estimated fair value of the warrant liability | ||
| Stock price | $ 0.17 | |
| Strike price | $ 0.20 | |
| Remaining contractual term (years) | 1 year 7 months 6 days | |
| Volatility | 95.00% | |
| Risk-free rate | 0.60% | |
| Dividend yield | 0.00% | |
| Warrant liabilities [Member] | ||
| Schedule of estimated fair value of the warrant liability | ||
| Stock price | $ 0.17 | $ 0.20 |
| Strike price | $ 0.64 | $ 2.50 |
| Remaining contractual term (years) | 1 year 7 months 6 days | 1 year 1 month 6 days |
| Volatility | 100.00% | 125.70% |
| Risk-free rate | 0.50% | 0.30% |
| Dividend yield | 0.00% | 0.00% |