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Note 10 - Accumulated Other Comprehensive Loss - Components of Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023
Balance | $ 351,183 | $ 328,601 | $ 340,360 | $ 318,274
Other comprehensive loss, net of tax | (238) | (27) | (196) | (162)
Balance | 362,360 | 335,138 | 362,360 | 335,138
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] |  |  |  |
Balance |  |  | (1,193) | (1,532)
Other comprehensive income (loss) before reclassifications |  |  | 57 | 78
Amounts reclassified from Accumulated other comprehensive loss |  |  | 10 | 10
Other comprehensive loss, net of tax |  |  | 67 | 88
Balance | (1,126) | (1,444) | (1,126) | (1,444)
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] | Foreign Exchange Forward [Member] |  |  |  |
Balance |  |  | (13) | 94
Other comprehensive income (loss) before reclassifications |  |  | 11 | (115)
Amounts reclassified from Accumulated other comprehensive loss |  |  | 2 | 17
Other comprehensive loss, net of tax |  |  | 13 | (98)
Balance | 0 | (4) | 0 | (4)
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] | Interest Rate Swap [Member] |  |  |  |
Balance |  |  | 246 | 649
Other comprehensive income (loss) before reclassifications |  |  | (60) | 266
Amounts reclassified from Accumulated other comprehensive loss |  |  | (216) | (418)
Other comprehensive loss, net of tax |  |  | (276) | (152)
Balance | (30) | 497 | (30) | 497
AOCI Attributable to Parent [Member] |  |  |  |
Balance | (918) | (924) | (960) | (789)
Other comprehensive income (loss) before reclassifications |  |  | 8 | 229
Amounts reclassified from Accumulated other comprehensive loss |  |  | (204) | (391)
Other comprehensive loss, net of tax |  |  | (196) | (162)
Balance | $ (1,156) | $ (951) | $ (1,156) | $ (951)

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