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Note 4 - Discontinued Operations - Results of Discontinued Operations (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023 | Dec. 31, 2023
Noncurrent assets from discontinued operations | $ 308 |  | $ 308 |  | $ 409
Transport Financial Services [Member] | Discontinued Operations, Disposed of by Sale [Member] |  |  |  |  |
Reversal of contingent loss liability | (200) | $ (200) | (400) | $ (400) |
Income before income taxes | 200 | 200 | 400 | 400 |
Income tax expense | 50 | 50 | 100 | 100 |
Income from discontinued operations, net of tax | 150 | $ 150 | 300 | $ 300 |
Noncurrent deferred tax asset | 308 |  | 308 |  | 409
Noncurrent assets from discontinued operations | 308 |  | 308 |  | 409
Total assets from discontinued operations | 308 |  | 308 |  | 409
Long-term contingent loss liability | 1,235 |  | 1,235 |  | 1,635
Long-term liabilities of discontinued operations | 1,235 |  | 1,235 |  | 1,635
Total liabilities from discontinued operations | $ 1,235 |  | $ 1,235 |  | $ 1,635

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