Note 7 - Goodwill and Other Assets - Schedule of Goodwill (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2022
Acquired goodwill for AAT	$ 15,699
Goodwill	42,518	$ 58,217
Expedited [Member]
Acquired goodwill for AAT	15,699
Goodwill		15,699
Dedicated [Member]
Goodwill	15,320	15,320
Managed Freight [Member]
Goodwill	5,448	5,448
Warehousing [Member]
Goodwill	$ 21,750	$ 21,750