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 |