Note 14 - Accumulated Other Comprehensive Loss - Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands |
Sep. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Foreign currency translation adjustment, net of taxes of ($312) at September 30, 2026 and ($312) at December 31, 2025 | $ (20,418) | $ (19,490) |
| Unrealized gains on interest rate swap cash flow hedge, net of taxes of $0 at September 30, 2026 and $0 at December 31, 2025 | 0 | 906 |
| Unrealized holding gains on marketable securities, net of taxes of ($7) at September 30, 2026 and ($7) at December 31, 2025 | 112 | 21 |
| Unfunded SERP liability, net of taxes of $996 at September 30, 2026 and $1,003 at December 31, 2025 | 1,362 | 1,389 |
| Accumulated other comprehensive loss | $ (18,944) | $ (17,174) |
| X | ||||||||||
- Definition Amount, after tax, of accumulated unrealized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount, after tax, of accumulated other comprehensive (income) loss for defined benefit plan, that has not been recognized in net periodic benefit cost (credit). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Accumulated adjustment, net of tax, that results from the process of translating subsidiary financial statements and foreign equity investments into the reporting currency from the functional currency of the reporting entity, net of reclassification of realized foreign currency translation gains or losses. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount, after tax, of accumulated increase (decrease) in equity from transaction and other event and circumstance from nonowner source. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount, after tax, of accumulated gain (loss) on derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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