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Note 10 - Equity Method Investment - TEL's Summarized Financial Information (Details) - USD ($) $ in Thousands | Mar. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Operating lease obligations | $ 10,598 | $ 10,349
Transport Enterprise Leasing LLC [Member] |  |
Operating lease obligations | 9,520 | 10,092
Transport Enterprise Leasing LLC [Member] | Driver Advances and Other Receivable [Member] |  |
Accounts receivable from TEL | 25 | 0
Transport Enterprise Leasing LLC [Member] | Accrued Expenses [Member] |  |
Accounts payable to TEL | 527 | 275
Transport Enterprise Leasing LLC [Member] | Other Assets [Member] |  |
Investment in TEL | $ 81,181 | $ 77,405

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