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v3.26.1

Balance Sheet Components - Property and Equipment (Details) - USD ($) | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2026 | Jun. 30, 2025 | Jun. 30, 2026 | Jun. 30, 2025 | Dec. 31, 2025
Property and Equipment |  |  |  |  |
Property and equipment, gross | $ 3,541,000 |  | $ 3,541,000 |  | $ 2,869,000
Less: accumulated depreciation and amortization | (2,711,000) |  | (2,711,000) |  | (2,649,000)
Property and equipment, net | 830,000 |  | 830,000 |  | 220,000
Depreciation expense | 34,000 | $ 29,000 | 63,000 | $ 51,000 |
Laboratory equipment |  |  |  |  |
Property and Equipment |  |  |  |  |
Property and equipment, gross | 2,996,000 |  | 2,996,000 |  | 2,646,000
Computer equipment and purchased software |  |  |  |  |
Property and Equipment |  |  |  |  |
Property and equipment, gross | 212,000 |  | 212,000 |  | 190,000
Leasehold improvements |  |  |  |  |
Property and Equipment |  |  |  |  |
Property and equipment, gross | 33,000 |  | 33,000 |  | $ 33,000
Construction in progress |  |  |  |  |
Property and Equipment |  |  |  |  |
Property and equipment, gross | $ 300,000 |  | $ 300,000 |  |

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