Note 2 - Operating Segment Information - Segment Adjusted EBITDA Reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Income before income tax expense	$ 14,294	$ 9,769
Interest expense	6,358	9,718
Depreciation and amortization	13,185	13,995
Intangible assets impairment charge	260	0
Segment EBITDA	$ 34,097	$ 33,482