Property and Equipment, Net - Summary of Property and Equipment, Net (Detail) - USD ($) $ in Thousands |
Jun. 30, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Property, Plant and Equipment [Line Items] | ||
| Property, Plant and Equipment, Gross | $ 4,232 | $ 4,288 |
| Less accumulated depreciation | (3,228) | (3,027) |
| Property and equipment, net | 1,004 | 1,261 |
| Leasehold Improvements [Member] | ||
| Property, Plant and Equipment [Line Items] | ||
| Property, Plant and Equipment, Gross | 1,215 | 1,215 |
| Computer Equipment [Member] | ||
| Property, Plant and Equipment [Line Items] | ||
| Property, Plant and Equipment, Gross | 401 | 406 |
| Furniture and Equipment [Member] | ||
| Property, Plant and Equipment [Line Items] | ||
| Property, Plant and Equipment, Gross | 804 | 804 |
| Quality Control and Marketing Equipment [Member] | ||
| Property, Plant and Equipment [Line Items] | ||
| Property, Plant and Equipment, Gross | 1,750 | 1,834 |
| Assets not yet Placed in Service [Member] | ||
| Property, Plant and Equipment [Line Items] | ||
| Property, Plant and Equipment, Gross | $ 62 | $ 29 |