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Note 18 - Accumulated Other Comprehensive Income ("AOCI") (Tables) | 9 Months Ended
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Sep. 30, 2023
Notes Tables |
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] |
|  | Unrealized Gains Related to Defined Benefit Plan |  |  | Unrealized Gains Related to Equity Method Investments |  |  | Total |
Balance as of January 1, 2023 |  | $ | 10,581 |  |  | $ | - |  |  | $ | 10,581 |
Other comprehensive income before reclassifications |  |  | 267 |  |  |  | 6,616 |  |  |  | 6,883 |
Amounts reclassified from AOCI (1) |  |  | (10,848 | ) |  |  | - |  |  |  | (10,848 | )
Net current-period other comprehensive income |  |  | (10,581 | ) |  |  | 6,616 |  |  |  | (3,965 | )
Balance as of September 30, 2023 |  | $ | - |  |  | $ | 6,616 |  |  | $ | 6,616 |
|  | Unrealized Gains Related to Defined Benefit Plan |
Balance as of January 1, 2022 |  | $ | 2,216 |
Other comprehensive income before reclassifications |  |  | 4,472 |
Amounts reclassified from AOCI |  |  | - |
Net current-period other comprehensive income |  |  | 4,472 |
Balance as of September 30, 2022 |  | $ | 6,688 |

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