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Note 7 - Debt - Current and Long-term Debt (Details) (Parentheticals) | Jun. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Revenue Equipment Installment Notes [Member] |  |
Interest rate | 5.30% | 5.20%
Real Estate Note [Member] |  |
Interest rate | 7.10% | 7.10%

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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)(a)(1)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481139/470-20-50-1B + Details
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