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Note 3 - Supplemental Cash Flow Information (Tables)

9 Months Ended

Sep. 30, 2021

Notes Tables

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

		Nine Months Ended
		September 30,
		2021				2020
		(in thousands)
Cash paid for:
Interest		$	39			$	55
Income taxes, net of refunds			4,274				1,454
Non-cash investing and financing activities:
Capital additions accrued but not yet paid		$	225			$	225

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