Note 3 - Supplemental Cash Flow Information

12 Months Ended

Dec. 31, 2020

Notes to Financial Statements

Cash Flow, Supplemental Disclosures [Text Block]

(3) Supplemental Cash Flow Information

	Years Ended December 31,
	2020		2019		2018
	(in thousands)
Cash paid for:
Interest	$	71	$	664	$	1,303
Income taxes, net of refunds	$	2,481	$	1,255	$	3,463
Non-cash investing and financing activities:
Capital additions accrued but not yet paid	$	225	$	213	$	218