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Note 19 - Accumulated Other Comprehensive Loss (Tables) | 12 Months Ended
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Dec. 31, 2022
Notes Tables |
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] |
|  | December 31, |
|  | 2022 |  |  | 2021 |
Foreign currency translation adjustment, net of taxes of ($369) at December 31, 2022 and ($417) at December 31, 2021 |  | $ | (23,107 | ) |  | $ | (14,911 | )
Unrealized holding gains (losses) on interest rate swap cash flow hedge, net of taxes of $0 at December 31, 2022 and $0 at December 31, 2021 |  |  | 5,539 |  |  |  | (116 | )
Unrealized holding gains on marketable securities, net of taxes of ($7) at December 31, 2022 and ($7) at December 31, 2021 |  |  | 18 |  |  |  | 29 |
Unfunded SERP liability, net of taxes of $879 at December 31, 2022 and ($502) at December 31, 2021 |  |  | 1,004 |  |  |  | (3,865 | )
Accumulated other comprehensive loss |  | $ | (16,546 | ) |  | $ | (18,863 | )
Schedule of Changes in Accumulated Other Comprehensive Income (Loss) by Component [Table Text Block] |
|  | Foreign Currency Translation Adjustment |  |  | Unrealized Gains (Losses) on Interest Rate Swap Cash Flow Hedge |  |  | Unrealized Holding Gains (Losses) on Marketable Securities |  |  | Unfunded SERP Liability |  |  |  | Total |
Balance at January 1, 2021 |  | $ | (13,142 | ) |  | $ | - |  |  | $ | 19 |  |  | $ | (4,940 | ) |  |  | $ | (18,063 | )
Other comprehensive income (loss) before reclassifications |  |  | (1,769 | ) |  |  | (116 | ) |  |  | 10 |  |  |  | 1,431 |  |  |  |  | (444 | )
Amounts reclassified from accumulated other comprehensive income (loss) |  |  | - |  |  |  | - |  |  |  |  |  |  |  | (356 | ) | (a) |  |  | (356 | )
Net current period other comprehensive income (loss) |  |  | (1,769 | ) |  |  | (116 | ) |  |  | 10 |  |  |  | 1,075 |  |  |  |  | (800 | )
Balance at December 31, 2021 |  |  | (14,911 | ) |  |  | (116 | ) |  |  | 29 |  |  |  | (3,865 | ) |  |  |  | (18,863 | )
Other comprehensive income (loss) before reclassifications |  |  | (7,391 | ) |  |  | 5,655 |  |  |  | (11 | ) |  |  | 5,119 |  |  |  |  | 3,372 |
Amounts reclassified from accumulated other comprehensive income (loss) |  |  | (805 | ) |  |  | - |  |  |  |  |  |  |  | (250 | ) | (a) |  |  | (1,055 | )
Net current period other comprehensive income (loss) |  |  | (8,196 | ) |  |  | 5,655 |  |  |  | (11 | ) |  |  | 4,869 |  |  |  |  | 2,317 |
Balance at December 31, 2022 |  | $ | (23,107 | ) |  | $ | 5,539 |  |  | $ | 18 |  |  | $ | 1,004 |  |  |  | $ | (16,546 | )

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