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Note 12 - Supplemental Cash Flow Information (Tables)

3 Months Ended

Mar. 31, 2021

Notes Tables

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

($ in thousands)		2021				2020
Interest paid		$	20			$	19
Federal, state, and local income taxes paid, net		$	4			$	-
Change in contract receivables, net		$	2,999			$	2,195
Change in contract liabilities, net		$	(2,655	)		$	(2,195	)
Property, plant, and equipment purchases in accounts payable		$	1,668			$	1,308

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Tabular disclosure of supplemental cash flow information for the periods presented.

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