STOCKHOLDERS’ EQUITY (DEFICIT) - Reserve Shares of Common Stock (Details) - shares |
Sep. 30, 2020 |
Dec. 31, 2019 |
---|---|---|
Class of Stock [Line Items] | ||
Capital shares reserved for future issuance (in shares) | 67,443,081 | 25,141,814 |
Outstanding stock options | ||
Class of Stock [Line Items] | ||
Capital shares reserved for future issuance (in shares) | 17,567,580 | 8,781,615 |
Warrants to purchase common stock | ||
Class of Stock [Line Items] | ||
Capital shares reserved for future issuance (in shares) | 39,546,516 | 14,040,452 |
Shares issuable upon conversion of convertible debt | ||
Class of Stock [Line Items] | ||
Capital shares reserved for future issuance (in shares) | 475,067 | 1,217,008 |
For possible future issuance under the Omnibus Plan | ||
Class of Stock [Line Items] | ||
Capital shares reserved for future issuance (in shares) | 9,853,918.35 | 1,102,739 |