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Note 11 - Equity Method Investment - TEL's Summarized Financial Information (Details) - USD ($) $ in Thousands | Mar. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Operating lease obligations | $ 8,959 | $ 11,950
Transport Enterprise Leasing LLC [Member] |  |
Operating lease obligations | 74 | 4,100
Transport Enterprise Leasing LLC [Member] | Driver Advances and Other Receivable [Member] |  |
Accounts receivable from TEL | 79 | 37
Transport Enterprise Leasing LLC [Member] | Accrued Expenses [Member] |  |
Accounts payable to TEL | 35 | 460
Transport Enterprise Leasing LLC [Member] | Other Assets [Member] |  |
Investment in TEL | $ 70,005 | $ 66,327

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