Income Taxes - Schedule of Components of Deferred Income Taxes (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Deferred tax assets:
Net operating loss carryforwards	$ 58,663	$ 32,554
Capitalized R&D expenditures	27,599	46,552
Tax credit carryforwards	8,136	7,978
Capitalized intangible assets	3,282	3,591
Operating lease liability	1,529	1,682
Stock compensation and other	1,387	733
Contingent liability	0	14,801
Accruals and reserves	673	743
Total deferred tax assets	101,269	108,634
Valuation allowance	(98,471)	(106,876)
Total deferred tax assets, net of valuation allowance	2,798	1,758
Deferred tax liabilities:
Operating right-of-use asset	(1,384)	(1,540)
Fixed assets	(129)	(218)
Installment sale	(1,285)	0
Total deferred tax liabilities	(2,798)	(1,758)
Net deferred tax assets	$ 0	$ 0