Significant Accounting Policies - Potential Dilutive Securities Excluded from the Computation of Dilutive Weighted Average Shares Outstanding (Details) - shares |
3 Months Ended | |
|---|---|---|
Mar. 31, 2017 |
Mar. 31, 2016 |
|
| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | ||
| Potential dilutive securities excluded from the computation of dilutive weighted average shares outstanding | 8,801,630 | 7,120,060 |
| Warrant [Member] | ||
| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | ||
| Potential dilutive securities excluded from the computation of dilutive weighted average shares outstanding | 1,288,500 | 1,967,375 |
| Stock Options [Member] | ||
| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | ||
| Potential dilutive securities excluded from the computation of dilutive weighted average shares outstanding | 7,513,130 | 5,152,685 |