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v3.23.3

Stock-Based Compensation - Additional Information (Detail) |  |  |  | 9 Months Ended |
--- | --- | --- | --- | --- | ---
Jun. 21, 2023 shares | May 01, 2023 shares | Dec. 18, 2020 shares | Sep. 30, 2023 Milestone shares | Mar. 31, 2020 shares
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |
Number of specific clinical development milestones achieved | Milestone |  |  |  | 0 |
Time-based and Performance-based Vesting Requirements [Member] |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |
Stock options granted |  | 5,168,685 |  |  |
Time-based Vesting Requirements [Member] |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |
Stock options granted |  | 1,292,172 |  |  |
2014 Stock Incentive Plan [Member] |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |
Increase in number of shares of common stock authorized for issuance |  |  |  |  | 28,816
Common stock, number of shares initially reserved for issuance |  |  |  | 0 |
2014 Employee Stock Purchase Plan [Member] |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |
Increase in number of shares of common stock authorized for issuance |  |  |  |  | 7,204
Common stock, number of shares initially reserved for issuance |  |  |  | 24,077 |
2020 Plan [Member] |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |
Common stock, number of shares initially reserved for issuance |  |  | 4,860,000 | 3,281,333 |
Percentage of issued and outstanding shares of common stock |  |  | 15.00% |  |
Increased number of shares | 9,600,000 |  |  |  |
New aggregate share limit | 14,460,000 |  |  |  |
Stock Options [Member] | Board of Directors [Member] |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |
Expected life assumption using simplified method, description |  |  |  | For stock options granted to the Company’s board of directors (the “Board”), the Company determined the expected life assumption using the simplified method as the starting point with an average period of twelve (12) months added to take into account for the extended range of time of 12 to 18 months vested stock options granted to Board members may be exercised upon termination. |
Stock Options [Member] | Board of Directors [Member] | Minimum [Member] |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |
Vesting period of stock options granted |  |  |  | 12 months |
Stock Options [Member] | Board of Directors [Member] | Maximum [Member] |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |
Vesting period of stock options granted |  |  |  | 18 months |

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