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Note 10 - Income Taxes - Components of Deferred Income Tax Assets (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
State tax credits | $ 90 | $ 424
Reserves and accruals | 6,970 | 4,504
Federal, state and foreign net operating loss and credit carryforwards | 4,247 | 4,303
Depreciation | 384 | 435
Amortization | 9,845 | 6,004
Lease accounting | 6,157 | 4,605
Other accruals | 6,054 | 5,997
Total deferred tax assets | 33,747 | 26,272
Valuation allowance | 1,844 | 2,009
Net deferred tax assets | 31,903 | 24,263
Unfunded pension liability | 260 | 255
Depreciation | 2,685 | 2,331
Amortization | 34,903 | 6,359
Lease accounting | 5,960 | 4,659
Other accruals | 581 | 562
Total deferred tax liabilities | 44,389 | 14,166
Net deferred tax liabilities | $ (12,486) |
Net deferred tax assets |  | $ 10,097

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