Description of Business and Summary of Significant Accounting Policies (Details) - Schedule of antidilutive securities excluded from computation of diluted net loss per share - shares shares in Thousands |
3 Months Ended | |
|---|---|---|
Mar. 31, 2021 |
Mar. 31, 2020 |
|
| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | ||
| Total | 2,957 | 3,239 |
| Options [Member] | ||
| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | ||
| Total | 843 | 368 |
| Warrants [Member] | ||
| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | ||
| Total | 2,114 | 2,871 |