Property and Equipment, Net - Schedule of Property and Equipment, Net (Detail) - USD ($) $ in Thousands |
Sep. 30, 2024 |
Dec. 31, 2023 |
|---|---|---|
| Property, Plant and Equipment [Line Items] | ||
| Property and equipment, gross | $ 2,638 | $ 2,364 |
| Less: Accumulated depreciation and amortization | (1,818) | (1,619) |
| Property and equipment, net | 820 | 745 |
| Leasehold improvements | ||
| Property, Plant and Equipment [Line Items] | ||
| Property and equipment, gross | 228 | 228 |
| Furniture and fixtures | ||
| Property, Plant and Equipment [Line Items] | ||
| Property and equipment, gross | 1,472 | 1,301 |
| Computer equipment | ||
| Property, Plant and Equipment [Line Items] | ||
| Property and equipment, gross | 263 | 160 |
| Software | ||
| Property, Plant and Equipment [Line Items] | ||
| Property and equipment, gross | 24 | 24 |
| Lab equipment | ||
| Property, Plant and Equipment [Line Items] | ||
| Property and equipment, gross | $ 651 | $ 651 |