Taxes on Income - Summary of Deferred Tax Assets (Detail) - USD ($) $ in Thousands |
Dec. 31, 2021 |
Dec. 31, 2020 |
|---|---|---|
| Components of Deferred Tax Assets [Abstract] | ||
| Net operating loss carryforwards | $ 49,906 | $ 25,778 |
| Stock based compensation | 3,150 | 318 |
| Fixed assets | 340 | 45 |
| Other | 45 | 818 |
| Total gross deferred tax assets, net | 53,441 | 26,959 |
| Valuation allowance | (44,186) | (27,075) |
| Warrants | (9,255) | 116 |
| Net deferred tax assets | $ 0 | $ 0 |