Description of Business and Summary of Significant Accounting Policies (Details 1) - shares |
3 Months Ended | |
|---|---|---|
Mar. 31, 2019 |
Mar. 31, 2018 |
|
| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | ||
| Total | 51,256,570 | 61,715,920 |
| Option [Member] | ||
| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | ||
| Total | 7,783,301 | 5,812,042 |
| Warrant [Member] | ||
| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | ||
| Total | 43,473,269 | 55,903,878 |