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Income Taxes - Schedule of Deferred Tax Liabilities and Related Valuation Allowance (Details) - USD ($)
$ in Thousands
Dec. 31, 2024
Dec. 31, 2023
Deferred Tax Assets, Net [Abstract]    
Net operating loss carryforwards $ 85,226 $ 71,434
Debt related interest 16,228 16,898
Capitalized research and development 5,228 4,936
Tax credit carryforwards 4,415 3,960
Stock based compensation 1,157 525
Accrued expense and reserves 1,812 1,584
Purchased revenue liability 1,754 0
Operating lease liabilities 577 774
Other 303 159
Total deferred tax assets 116,700 100,270
Less valuation allowance (113,703) (96,776)
Total deferred tax assets 2,997 3,494
Intangible assets (2,423) (2,734)
Operating lease right-of-use assets (574) (760)
Total deferred tax liabilities (2,997) (3,494)
Net deferred tax liabilities $ 0 $ 0