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Note 9 - Income Tax Expense (Benefit) - Deferred Income Tax Asset (Liability) (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Pension accruals | $ 3,578 | $ 3,513
Operating reserves and other accruals | 6,613 | 7,962
Book carrying value in excess of tax basis of intangibles | 1,831 | 2,321
Capitalized research expenses | (2,547) | (1,704)
Disallowed interest | 2,167 | 0
Book carrying value in excess of tax basis of property | (3,950) | (4,183)
Deferred expenses | (430) | (599)
Net deferred income tax asset | $ 12,356 | $ 10,718

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- Definition Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible interest carryforward. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-6 + Details
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