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Equity Incentive Plans - Additional Details (Detail) - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Jan. 01, 2023 | Jan. 01, 2022 | Jul. 31, 2021
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |
Weighted-average grant-date fair values of options granted | $ 3.78 | $ 9.56 |  |  |
Aggregate intrinsic value of options exercised | $ 1,700 |  |  |  |
Unrecognized stock-based compensation of unvested options | $ 14,100 |  |  |  |
Common stock reserved for future issuance | 15,222,954 | 13,159,736 |  |  |
Description of transaction of future issuance | lesser of (i) 5% of the aggregate number of shares of common stock outstanding on the final day of the immediately preceding calendar year and (ii) such smaller number of shares of common stock as determined by the Board, subject to certain limitations. |  |  |  |
Weighted-average period expected to recognize | 1 year 9 months 18 days |  |  |  |
Dividend yield | 0.00% | 0.00% |  |  |
Stock based compensation | $ 8,500 |  |  |  |
Withholding taxes on net share settlement of restricted stock units | (224) |  |  |  |
Stock Issued During Period, Value, Purchase of Assets | 933 | $ 672 |  |  |
Restricted Stock Units (RSUs) |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |
Unrecognized stock-based compensation of unvested options | $ 16,200 |  |  |  |
Weighted-average period expected to recognize | 2 years 10 months 24 days |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period | 4 years |  |  |  |
Stock based compensation | $ 5,500 |  |  |  |
Two Thousand And Twenty One Plan |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |
Common stock reserved for future issuance | 5,200,000 |  | 2,414,907 | 2,375,235 |
Common stock available for issuance | 6,033,176 | 6,099,584 |  |  |
Two Thousand Twenty One Employee Stock Purchase Plan |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |
Common stock reserved for future issuance | 1,488,227 | 1,226,123 | 482,981 | 475,074 | 850,000
Dividend yield | 0.00% | 0.00% |  |  |
Stock based compensation | $ 600 |  |  |  |
Proceeds from stock plans | $ 100 |  |  |  |
Stock Issued During Period, Shares, Purchase of Assets | 220,877 |  |  |  |
Stock Issued During Period, Value, Purchase of Assets | $ 900 |  |  |  |

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