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Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2024
Dec. 31, 2023
Deferred Tax Assets    
Net operating loss carryforwards $ 47,769 $ 37,037
Start-up and Organization Costs 16,530 16,913
Capitalized research and development credits 9,549 10,943
Intangibles 5,793 6,703
Stock-based compensation 6,725 4,972
Research and development credits 4,842 4,842
Operating lease obligations 241 1,375
Accrued expenses and reserves 0 621
Property and equipment 257 233
Other 1
Total deferred tax assets before Valuation Allowance 91,706 83,640
Valuation allowance (91,624) (82,440)
Total deferred tax assets 82 1,200
Deferred Tax Liabilities    
Operating lease right-of-use assets (82) (1,200)
Total deferred tax liabilities (82) (1,200)
Net deferred tax assets $ 0 $ 0