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Note 12 - Accumulated Other Comprehensive Loss (Tables) | 6 Months Ended
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Jun. 30, 2021
Notes Tables |
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] |
|  | June 30, |  |  | December 31, |
|  | 2021 |  |  | 2020 |
Foreign currency translation adjustment, net of taxes of ($426) at June 30, 2021 and ($750) at December 31, 2020 |  | $ | (13,131 | ) |  | $ | (13,142 | )
Unrealized holding gains on available-for-sale securities, net of taxes of $0 at June 30, 2021 and $0 at December 31, 2020 |  |  | 18 |  |  |  | 19 |
Unfunded SERP liability, net of taxes of ($1,322) at June 30, 2021 and ($1,377) at December 31, 2020 |  |  | (4,741 | ) |  |  | (4,940 | )
Accumulated other comprehensive loss |  | $ | (17,854 | ) |  | $ | (18,063 | )
Schedule of Changes in Accumulated Other Comprehensive Income (Loss) by Component [Table Text Block] |
|  |  |  |  |  | Unrealized Holding |  |  |  |  |  |  |  |  |  |
|  | Foreign Currency |  |  | Gains on |  |  |  |  |  |  |  |  |  |
|  | Translation |  |  | Available-for- |  |  | Unfunded |  |  |  |  |  |
|  | Adjustment |  |  | Sale Securities |  |  | SERP Liability |  |  |  | Total |
Balance at December 31, 2020 |  | $ | (13,142 | ) |  | $ | 19 |  |  | $ | (4,940 | ) |  |  | $ | (18,063 | )
Other comprehensive income (loss) before reclassifications |  |  | 11 |  |  |  | (1 | ) |  |  | - |  |  |  |  | 10 |
Amount reclassified from accumulated other comprehensive income (loss) |  |  | - |  |  |  | - |  |  |  | 199 |  | (a) |  |  | 199 |
Net current period other comprehensive income (loss) |  |  | 11 |  |  |  | (1 | ) |  |  | 199 |  |  |  |  | 209 |
Balance at June 30, 2021 |  | $ | (13,131 | ) |  | $ | 18 |  |  | $ | (4,741 | ) |  |  | $ | (17,854 | )

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