Stockholders' Equity - Common Stock are Reserved for Future Issuance (Details) - shares shares in Thousands |
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
---|---|---|---|
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
Warrants outstanding (in shares) | 1,392 | 302 | 356 |
Stock options outstanding (in shares) | 208 | 22 | 8 |
Options reserved for future issuance under the Company's 2019 Incentive Plan (in shares) | 101 | ||
Shares reserved for future issuance under the Employee Stock Purchase Plan (in shares) | 8 | ||
Total shares of common stock reserved for future issuance (in shares) | 1,879 | ||
RSUs | |||
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
Restricted stock units (in shares) | 170 | 0 |