Share-Based Compensation - Schedule of Compensation Expense Related to Grants of Stock Options (Detail) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items] | |||
| Total share-based compensation expense | $ 3,775 | $ 2,757 | $ 1,578 |
| Research and development | |||
| Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items] | |||
| Total share-based compensation expense | 1,124 | 742 | 425 |
| General and administrative | |||
| Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items] | |||
| Total share-based compensation expense | $ 2,651 | $ 2,015 | $ 1,153 |