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Income Taxes - Schedule of Deferred Tax Assets (Details) - USD ($)
$ in Thousands
Dec. 31, 2024
Dec. 31, 2023
Deferred tax assets:    
Net operating loss carryforwards $ 137,140 $ 128,171
Accruals, reserve and other 1,972 1,749
Tax credit carryforwards 29,263 21,254
Stock-based compensation 6,349 7,274
Intangibles 7 11
Lease obligation 19,622 17,322
Capital losses 9,850 9,850
Section 174 R&D capitalization 35,842 29,688
Other 5 3
Total deferred tax assets before valuation allowance 240,050 215,322
Valuation allowance (232,058) (205,861)
Total deferred tax assets 7,992 9,461
Deferred tax liabilities:    
Right-of-use assets (7,149) (8,153)
Property and equipment (843) (1,308)
Total deferred tax liabilities (7,992) (9,461)
Net deferred tax assets $ 0 $ 0