Income Taxes - Schedule of Expected Income Tax (Benefit) Computed Using Federal Statutory Income Tax Rate to Company's Effective Income Tax Rate (Detail) |
12 Months Ended | |
|---|---|---|
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| Effective Income Tax Rate Reconciliation, Percent [Abstract] | ||
| Income tax computed at federal statutory rate | 21.00% | 21.00% |
| State taxes, net of federal benefit | 6.91% | 6.90% |
| R&D credit carryovers | 0.90% | 1.40% |
| Change in valuation allowance | (27.42%) | (27.24%) |
| Stock based compensation | (1.19%) | (0.24%) |
| Permanent differences | (0.31%) | 0.27% |
| Change in fair value of derivatives | 0.00% | (2.25%) |
| Effective income tax rate | (0.11%) | (0.15%) |