Income Taxes - Significant Components of Net Deferred Tax Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Deferred tax assets:
Net operating loss carryforwards	$ 69,308	$ 60,287
Research and development credits	12,840	9,765
Accruals & reserves	901	802
Stock compensation	1,198	2,952
Amortization	768	778
Lease liability	2,648	3,157
Capitalized research and development expenses	28,023	22,134
Total deferred tax assets	115,686	99,875
Valuation allowance	(114,972)	(98,926)	$ (38,168)
Net deferred tax assets	714	949
Deferred tax liabilities:
Depreciation	(71)	(152)
Right of use asset	(643)	(797)
Total deferred tax liabilities	(714)	(949)
Net deferred taxes	$ 0	$ 0