Note 2 - Operating Segment Information - Segment Adjusted EBITDA Reconciliation (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Income before income tax expense	$ 1,836	$ 650	$ 930	$ 5,242
Interest expense, net	1,250	1,541	2,495	3,328
Depreciation and amortization	2,978	3,368	6,182	6,620
Segment EBITDA(1)	$ 6,064	$ 5,559	$ 9,607	$ 15,190