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)