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Income Taxes - Net Deferred Tax Liabilities (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Deferred tax assets: |  |
Accrued expenses | $ 4,620 | $ 1,185
Provision for excess and obsolete inventory | 4,162 | 4,679
Capitalized research and experimental expenditures | 11,216 | 8,629
Convertible debt | 608 | 3,526
Depreciation and amortization | 2,063 | 1,725
Interest expense limitation | 19,944 | 18,689
Net operating loss and tax credit carryforwards | 97,347 | 108,690
Share-based compensation | 1,533 | 3,065
Operating lease liability | 985 | 819
Other | 351 | 0
Deferred tax assets | 142,829 | 151,007
Valuation allowances | (141,628) | (149,529)
Deferred tax assets, net of valuation allowances | 1,201 | 1,478
Deferred tax liabilities: |  |
Right of use asset | (710) | (1,085)
Acquired intangible assets | (665) | (505)
Deferred tax liabilities | (1,375) | (1,590)
Deferred tax liabilities, net | $ (174) | $ (112)

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