Stock Purchase Warrants (Details) - $ / shares |
1 Months Ended | 6 Months Ended | 12 Months Ended |
|---|---|---|---|
Nov. 18, 2016 |
Jun. 30, 2017 |
Dec. 31, 2016 |
|
| Closing stock price | $ 1.75 | $ 0.57 | $ 0.76 |
| Expected dividends | 0.00% | 0.00% | 0.00% |
| Expected volatility | 95.00% | 0.90% | 95.00% |
| Risk free interest rate | 1.39% | 1.43% | 1.41% |
| Expected life of warrant (years) | 5 years | 2 years 3 months 18 days | 2 years 9 months 14 days |
| Series A Warrants [Member] | |||
| Closing stock price | $ 0.89 | $ 0.57 | $ 0.76 |
| Expected dividends | 0.00% | 0.00% | 0.00% |
| Expected volatility | 85.00% | 95.00% | 85.00% |
| Risk free interest rate | 1.58% | 1.62% | 1.67% |
| Expected life of warrant (years) | 4 years | 3 years 4 months 24 days | 3 years 10 months 24 days |
| Series B Warrants [Member] | |||
| Closing stock price | $ 0.89 | $ 0.57 | $ 0.76 |
| Expected dividends | 0.00% | 0.00% | 0.00% |
| Expected volatility | 85.00% | 75.00% | 90.00% |
| Risk free interest rate | 0.81% | 1.14% | 0.85% |
| Expected life of warrant (years) | 1 year 1 month 6 days | 6 months | 1 year |