Note 4 - Supplemental Cash Flow Information (Tables)

12 Months Ended

Dec. 31, 2023

Notes Tables

Schedule of Cash Flow, Supplemental Disclosures [Table Text Block]

	Years Ended December 31,
	2023		2022		2021
			(in thousands)
Cash paid for:
Interest	$	3,537	$	2,721	$	53
Income taxes, net of refunds		10,568		13,200		5,914
Non-cash investing and financing activities:
Capital additions accrued but not yet paid	$	536	$	125	$	135
Accrued contingent consideration		13,096		14,568		9,731
Present value of non-competition payments		8,474		10,043		9,477