Income Taxes - Schedule of Deferred Taxes (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Deferred tax assets:
Federal net operating loss carryforwards	$ 93,958	$ 72,697
State net operating loss carryforwards	491	491
Operating lease obligation	918	1,426
Section 174 expenditures	19,892	28,445
R&D tax credit	4,714	4,714
Other	1,780	1,676
Intangible assets, net	4,748	5,159
Total deferred tax assets	126,501	114,608
Less: valuation allowance	(125,021)	(113,296)
Deferred tax assets, net of valuation allowance	1,480	1,312
Deferred tax liabilities:
Operating lease right of use asset, net	728	1,140
Property and equipment, net	752	172
Total deferred tax liabilities	1,480	1,312
Net deferred tax assets	$ 0	$ 0