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Income Taxes - Summary of Significant Components of Deferred Tax Assets and Liabilities for Federal and State Income Taxes (Details) - USD ($)
$ in Thousands
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Deferred tax assets:      
Net operating loss carryforward $ 66,024 $ 53,485  
Research tax credits 12,169 11,353  
Capitalized research and development expenses 21,547 27,436  
Lease liability 6,605 7,137  
Stock-based compensation 2,243 2,256  
Reserves and accruals 551 1,585  
Intangible assets 110 127  
Total deferred tax assets 109,249 103,379  
Less valuation allowance (103,593) (96,870) $ (83,680)
Net deferred tax assets 5,656 6,509  
Deferred tax liabilities:      
Right-of-use assets (5,532) (6,159)  
Property and equipment (73) (311)  
Prepaid assets (51) (39)  
Total deferred tax liabilities (5,656) (6,509)  
Net deferred tax assets $ 0 $ 0