XML 77 R54.htm IDEA: XBRL DOCUMENT v3.25.0.1
Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2024
Dec. 31, 2023
Deferred tax assets:    
Net operating loss carryforwards $ 42,043 $ 41,864
Research and development credits 14,903 13,069
Research and development expenditures, capitalized for tax 12,283 8,271
Fixed assets and inventory 28 151
Accruals and reserves 1,399 1,633
Interest expense carryforward 5,747 5,033
Operating lease liability 3,515 3,958
Other 1,281 1,718
Gross deferred tax assets 81,199 75,697
Deferred tax liabilities:    
Operating lease right-of-use asset (3,014) (3,436)
Total deferred tax liabilities (3,014) (3,436)
Valuation allowance (78,185) (72,261)
Net deferred tax assets $ 0 $ 0