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Note 3 - Supplemental Cash Flow Information (Tables)

3 Months Ended

Mar. 31, 2021

Notes Tables

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

		Three Months Ended
		March 31,
		2021				2020
		(in thousands)
Cash paid for:
Interest		$	13			$	12
Income taxes, net of refunds			6				-
Non-cash investing and financing activities:
Capital additions accrued but not yet paid		$	200			$	232

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