Certain Balance Sheet Accounts - Schedule of Property and Equipment (Details) - USD ($) $ in Thousands |
Mar. 31, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Property, Plant and Equipment [Line Items] | ||
| Total property and equipment | $ 3,413 | $ 2,947 |
| Less: accumulated depreciation and amortization | (2,693) | (2,652) |
| Property and equipment, net | 720 | 295 |
| Tooling and manufacturing equipment | ||
| Property, Plant and Equipment [Line Items] | ||
| Total property and equipment | 2,645 | 2,249 |
| Computer equipment | ||
| Property, Plant and Equipment [Line Items] | ||
| Total property and equipment | 524 | 455 |
| Furniture and fixtures | ||
| Property, Plant and Equipment [Line Items] | ||
| Total property and equipment | 194 | 194 |
| Software | ||
| Property, Plant and Equipment [Line Items] | ||
| Total property and equipment | 47 | 46 |
| Leasehold improvements | ||
| Property, Plant and Equipment [Line Items] | ||
| Total property and equipment | $ 3 | $ 3 |