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Note 9 - Income Taxes - Components of Deferred Income Tax Assets (Details) - USD ($)
$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
State tax credits $ 571 $ 812
(Decrease) increase in unfunded pension liability (416) 965
Reserves and accruals 4,947 4,124
Federal, state and foreign net operating loss and credit carryforwards 4,316 7,586
Depreciation 437 488
Amortization 2,968 130
Lease accounting 4,816 4,592
Other accruals 6,486 6,364
Total deferred tax assets 24,125 25,061
Depreciation 2,227 2,450
Amortization 6,178 6,483
Lease accounting 4,889 4,522
Other accruals 780 573
Total deferred tax liabilities 14,074 14,028
Valuation allowance 4,027 8,059
Net deferred tax assets $ 6,024 $ 2,974