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Note 11 - Equity Method Investment (Details Textual) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2022 | Mar. 31, 2021 | Dec. 31, 2021
Proceeds from Sale of Property, Plant, and Equipment, Total | $ 704 | $ 13,871 |
Payments to Acquire Property, Plant, and Equipment, Total | 8,690 | 3,907 |
Reversal of Deferred Gains of Sale of Property | (30) | 45 |
Income (Loss) from Equity Method Investments | $ 6,785 | $ 2,960 |
Transport Enterprise Leasing LLC [Member] |  |  |
Equity Method Investment, Ownership Percentage | 49.00% | 49.00% |
Proceeds from Sale of Property, Plant, and Equipment, Total | $ 0 | $ 800 |
Revenue from Related Parties | 200 |  | $ 300
Payments to Acquire Property, Plant, and Equipment, Total | 0 | 0 |
Payments for Rent | 200 | 100 |
Reversal of Deferred Gains of Sale of Property | 100 | 100 |
Due from Related Parties, Total | 0 |  | $ 1,000
Income (Loss) from Equity Method Investments | 6,800 |  |
Proceeds from Equity Method Investment, Distribution | 0 |  |
Transport Enterprise Leasing LLC [Member] | Reduction in TEL Investment [Member] |  |  |
Deferred Gain on Sale of Property | $ 200 | $ 300 |

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