Summary of Significant Accounting Policies (Details) - shares |
3 Months Ended | 12 Months Ended | ||
---|---|---|---|---|
Mar. 31, 2020 |
Mar. 31, 2019 |
Dec. 31, 2019 |
Dec. 31, 2018 |
|
Anti-dilutive securities | 87,120,470 | 22,731,781 | 86,970,470 | 8,682,368 |
Exercise of Common Stock Warrants | ||||
Anti-dilutive securities | 9,065,265 | 1,813,053 | ||
Conversion of Preferred Stock into Common Stock | ||||
Anti-dilutive securities | 11,768,295 | 1,163,659 | ||
Conversion of Convertible Debentures into Common Stock | ||||
Anti-dilutive securities | 66,136,870 | 5,704,543 | ||
Exercise of Common Stock Options | ||||
Anti-dilutive securities | 40 | 1,113 |