Income Taxes - Summary of Reconciliation of US Statutory Income Tax Rate to the Company's Effective Tax Rate (Detail) |
12 Months Ended | |
|---|---|---|
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| Income Tax Disclosure [Abstract] | ||
| Federal statutory income tax rate% | 21.00% | 21.00% |
| State taxes, net of federal benefit | 8.50% | 7.40% |
| Federal and state research and development credits | 5.90% | 2.70% |
| Executive Compensation | (0.70%) | (0.30%) |
| Non-deductible items | (0.10%) | (0.10%) |
| Stock Compensation | (1.50%) | (0.80%) |
| Change in valuation allowance | (33.20%) | (30.00%) |
| Other | 0.10% | 0.10% |