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Income Taxes - Schedule of Component of Deferred Tax Assets and Liabilities (Detail) - USD ($)
$ in Thousands
Dec. 31, 2024
Dec. 31, 2023
Deferred tax assets:    
Net operating loss carryforwards $ 77,843 $ 96,336
Research credit carryforwards 32,516 34,940
Section 174 capitalization 28,446 22,556
Lease liability 6,914 8,868
Stock compensation 11,479 10,572
Accruals and reserves 21,579 15,808
Other 563 348
Total deferred tax assets 179,340 189,428
Less valuation allowance (172,525) (180,387)
Net deferred tax assets 6,815 9,041
Deferred tax liabilities:    
Fixed assets (2,101) (2,667)
Operating lease right-of-use assets (4,714) (6,345)
Other 0 (29)
Total deferred tax liabilities (6,815) (9,041)
Net deferred tax assets $ 0 $ 0