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Note 9 - Income Tax Expense (Benefit) - Deferred Income Tax Asset (Liability) (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Pension accruals | $ 3,513 | $ 4,023
Operating reserves and other accruals | 7,962 | 5,520
Book carrying value in excess of tax basis of intangibles | 2,321 | 0
Capitalized research expenses | (1,704) | 0
Tax credits | 0 | 527
Book carrying value in excess of tax basis of property | (4,183) | (4,814)
Book carrying value in excess of tax basis of intangibles | 0 | (5,076)
Deferred expenses | (599) | (539)
Net deferred income tax asset | 10,718 | 359
Net deferred income tax liability | $ (10,718) | $ (359)

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