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Note 19 - Accumulated Other Comprehensive Loss (Tables) | 9 Months Ended
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Sep. 30, 2025
Notes Tables |
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] |
(in thousands) |  | Three months ended September 30, 2025 |
|  | Unrealized Gains (Losses) on Available-for-Sale Investments |  |  | Foreign Currency Translation Adjustments |  |  | Change in Fair Value of Debt Attributable to Instrument-Specific Credit Risk |  |  | Total Accumulated Other Comprehensive Loss |
Balance at June 30, 2025 |  | $ | (541 | ) |  | $ | (3,286 | ) |  | $ | 3,187 |  |  | $ | (640 | )
Other comprehensive income arising during the period |  |  | 200 |  |  |  | — |  |  |  | 58 |  |  |  | 258 |
Amounts reclassified from accumulated other comprehensive loss |  |  | (25 | ) |  |  | — |  |  |  | — |  |  |  | (25 | )
Net current-period other comprehensive income |  |  | 175 |  |  |  | — |  |  |  | 58 |  |  |  | 233 |
Balance at September 30, 2025 |  | $ | (366 | ) |  | $ | (3,286 | ) |  | $ | 3,245 |  |  | $ | (407 | )
(in thousands) |  | Three months ended September 30, 2024 |
|  | Unrealized Gains (Losses) on Available-for-Sale Investments |  |  | Foreign Currency Translation Adjustments |  |  | Change in Fair Value of Debt Attributable to Instrument-Specific Credit Risk |  |  | Total Accumulated Other Comprehensive Loss |
Balance at June 30, 2024 |  | $ | (1,590 | ) |  | $ | (3,286 | ) |  | $ | 3,350 |  |  | $ | (1,526 | )
Other comprehensive income (loss) arising during the period |  |  | 887 |  |  |  | — |  |  |  | (46 | ) |  |  | 841 |
Amounts reclassified from accumulated other comprehensive loss |  |  | (48 | ) |  |  | — |  |  |  | — |  |  |  | (48 | )
Amounts reclassified from noncontrolling interest |  |  | (29 | ) |  |  | — |  |  |  | — |  |  |  | (29 | )
Net current-period other comprehensive income (loss) |  |  | 810 |  |  |  | — |  |  |  | (46 | ) |  |  | 764 |
Balance at September 30, 2024 |  | $ | (780 | ) |  | $ | (3,286 | ) |  | $ | 3,304 |  |  | $ | (762 | )
(in thousands) |  | Nine months ended September 30, 2025 |
|  | Unrealized Gains (Losses) on Available-for-Sale Investments |  |  | Foreign Currency Translation Adjustments |  |  | Change in Fair Value of Debt Attributable to Instrument-Specific Credit Risk |  |  | Total Accumulated Other Comprehensive Loss |
Balance at January 1, 2025 |  | $ | (1,157 | ) |  | $ | (3,286 | ) |  | $ | 3,725 |  |  | $ | (718 | )
Other comprehensive income (loss) arising during the period |  |  | 869 |  |  |  | — |  |  |  | (480 | ) |  |  | 389 |
Amounts reclassified from accumulated other comprehensive loss |  |  | (78 | ) |  |  | — |  |  |  | — |  |  |  | (78 | )
Net current-period other comprehensive income (loss) |  |  | 791 |  |  |  | — |  |  |  | (480 | ) |  |  | 311 |
Balance at September 30, 2025 |  | $ | (366 | ) |  | $ | (3,286 | ) |  | $ | 3,245 |  |  | $ | (407 | )
(in thousands) |  | Nine months ended September 30, 2024 |
|  | Unrealized Gains (Losses) on Available-for-Sale Investments |  |  | Foreign Currency Translation Adjustments |  |  | Change in Fair Value of Debt Attributable to Instrument-Specific Credit Risk |  |  | Total Accumulated Other Comprehensive Loss |
Balance at January 1, 2024 |  | $ | (1,596 | ) |  | $ | (3,286 | ) |  | $ | 3,342 |  |  | $ | (1,540 | )
Other comprehensive income arising during the period |  |  | 935 |  |  |  | — |  |  |  | (38 | ) |  |  | 897 |
Amounts reclassified from accumulated other comprehensive loss |  |  | (90 | ) |  |  | — |  |  |  | — |  |  |  | (90 | )
Amounts reclassified from noncontrolling interest |  |  | (29 | ) |  |  | — |  |  |  | — |  |  |  | (29 | )
Net current-period other comprehensive income |  |  | 816 |  |  |  | — |  |  |  | (38 | ) |  |  | 778 |
Balance at September 30, 2024 |  | $ | (780 | ) |  | $ | (3,286 | ) |  | $ | 3,304 |  |  | $ | (762 | )
Reclassification out of Accumulated Other Comprehensive Income [Table Text Block] |
(in thousands) |  | Three months ended September 30, |  |  | Nine months ended September 30, |
|  | 2025 |  |  | 2024 |  |  | 2025 |  |  | 2024 |
Reclassification of accumulated other comprehensive loss from unrealized gains (losses) on available-for-sale investments to: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net realized gains |  | $ | 25 |  |  | $ | 48 |  |  | $ | 78 |  |  | $ | 90 |
Loss from continuing operations before income tax (benefit) expense |  |  | 25 |  |  |  | 48 |  |  |  | 78 |  |  |  | 90 |
Income tax (benefit) expense |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Loss from continuing operations, net of taxes |  |  | 25 |  |  |  | 48 |  |  |  | 78 |  |  |  | 90 |
Income from discontinued operations, net of taxes |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Net loss |  | $ | 25 |  |  | $ | 48 |  |  | $ | 78 |  |  | $ | 90 |

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