Note 4 - Supplemental Cash Flow Information (Tables)

6 Months Ended

Jun. 30, 2022

Notes Tables

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

	Six Months Ended
	June 30,
	2022		2021
	(in thousands)
Cash paid for:
Interest	$	1,038	$	26
Income taxes, net of refunds		5,033		3,112
Non-cash investing and financing activities:
Capital additions accrued but not yet paid	$	208	$	202