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Income Taxes - Schedule of Deferred Tax Assets (Details) - USD ($) $ in Thousands | Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | --- | ---
Deferred tax assets: |  |  |
Accruals and reserves | $ 229 | $ 236 |
Net operating loss | 38,515 | 37,151 |
Property, plant and equipment | (1,647) | (1,394) |
Stock options | 4,476 | 2,236 |
Research and development tax credit | 227 | 227 |
Deferred tax assets | 41,800 | 38,456 |
Valuation allowance | (41,800) | (38,456) | $ (36,791)
Deferred tax assets, net of valuation allowance | 0 | 0 |
Deferred tax liabilities: |  |  |
Intangibles | (2,911) | (5,257) |
Deferred tax liabilities | (2,911) | (5,257) |
Deferred tax liabilities, net | $ (2,911) | $ (5,257) |

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