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Note 4 - Discontinued Operations - Results of Discontinued Operations (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2021 | Mar. 31, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020 | Dec. 31, 2020
Gain on reversal of contingent loss of discontinued operations |  |  |  | $ (3,412) | $ 0 |
Noncurrent assets from discontinued operations | $ 1,275 |  |  | 1,275 |  | $ 9,535
Current liabilities of discontinued operations | 0 |  |  | 0 |  | 816
Total revenue | 274,561 |  | $ 210,830 | 751,775 | 613,333 |
Income (loss) from continuing operations | $ 16,442 |  | $ 4,713 | $ 40,459 | $ (21,540) |
Income (loss) per basic share from continuing operations (in dollars per share) | $ 0.98 |  | $ 0.28 | $ 2.40 | $ (1.24) |
Income (loss) per diluted share from continuing operations (in dollars per share) | $ 0.97 |  | $ 0.27 | $ 2.37 | $ (1.24) |
Transport Financial Services [Member] | Discontinued Operations, Disposed of by Sale [Member] |  |  |  |  |  |
Total revenue | $ 0 |  | $ 142 | $ 0 | $ 5,397 |
Operating expenses | 0 |  | (3,601) | 25 | (2,571) |
Operating income | 0 |  | 3,743 | (25) | 7,968 |
Gain on reversal of contingent loss of discontinued operations | 0 | $ (3,400) | 0 | (3,412) | 0 |
Interest expense | 0 |  | 0 | 0 | 1,948 |
Income before income taxes | 0 |  | 3,743 | 3,387 | 6,020 |
Income tax (benefit) expense | 0 |  | 955 | 847 | 1,535 |
Income from discontinued operations, net of tax | 0 |  | 2,788 | 2,540 | 4,485 |
Noncurrent deferred tax asset | 1,275 |  |  | 1,275 |  | 9,535
Noncurrent assets from discontinued operations | 1,275 |  |  | 1,275 |  | 9,535
Total assets from discontinued operations | 1,275 |  |  | 1,275 |  | 9,535
Accounts payable | 0 |  |  | 0 |  | 816
Current liabilities of discontinued operations | 0 |  |  | 0 |  | 816
Long-term contingent loss liability | 5,100 |  |  | 5,100 |  | 44,151
Long-term liabilities of discontinued operations | 5,100 |  |  | 5,100 |  | 44,151
Total liabilities from discontinued operations | 5,100 |  |  | 5,100 |  | $ 44,967
Transport Financial Services [Member] | Discontinued Operations, Disposed of by Sale [Member] | Pro Forma [Member] |  |  |  |  |  |
Total revenue | 274,561 |  | 210,830 | 751,775 | 613,333 |
Income (loss) from continuing operations | $ 16,442 |  | $ 4,713 | $ 40,459 | $ (21,540) |
Income (loss) per basic share from continuing operations (in dollars per share) | $ 0.98 |  | $ 0.28 | $ 2.40 | $ (1.24) |
Income (loss) per diluted share from continuing operations (in dollars per share) | $ 0.97 |  | $ 0.27 | $ 2.37 | $ (1.24) |

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