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Note 12 - Acquisition of Sims Transport Services, LLC (Details Textual) - USD ($) $ in Thousands		9 Months Ended
	Aug. 18, 2023	Sep. 30, 2024	Dec. 31, 2023
Goodwill		$ 78,941	$ 75,747
Sims Transport Services, LLC [Member]
Business Acquisition, Percentage of Voting Interests Acquired	100.00%
Business Combination, Consideration Transferred	$ 9,833
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High	$ 12,000
Business Combination, Contingent Consideration, Earnout Period (Year)	4 years
Goodwill, Measurement Period Adjustment		1,600
Goodwill	$ 3,469	$ 3,500	$ 5,100
Sims Transport Services, LLC [Member] | Minimum [Member]
Business Combination, Consideration Transferred	9,800
Sims Transport Services, LLC [Member] | Maximum [Member]
Business Combination, Consideration Transferred	$ 20,000

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