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Income Taxes - Schedule of Components of Deferred Tax Assets and Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2024
Dec. 31, 2023
Jan. 01, 2018
Deferred tax assets:      
Net operating loss carryforwards $ 62,407 $ 58,535 $ 194,700
Intangible assets 10,356 9,865  
Tax credit carry forwards 13,506 12,403  
Stock compensation 2,026 1,700  
Accrued compensation 180 93  
Total deferred tax assets 88,475 82,596  
Deferred tax liabilities      
Fixed assets (15) (21)  
Total deferred tax liabilities (15) (21)  
Total net deferred tax assets 88,460 82,575  
Less: valuation allowance (88,460) (82,575)  
Net deferred taxes $ 0 $ 0