Schedule of Antidilutive Securities Excluded from Calculations of Net Loss Per Share (Details) - shares shares in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | ||
| Total | 2,716 | 2,023 |
| Outstanding Options To Purchase Common Stock [Member] | ||
| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | ||
| Total | 2,473 | 1,780 |
| Warrants To Purchase Common Stock [Member] | ||
| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | ||
| Total | 243 | 243 |