Note 10 - Segment Reporting (Tables)

3 Months Ended

Mar. 31, 2023

Notes Tables

Schedule of Segment Reporting Information, by Segment [Table Text Block]

2023
	CVD Equipment		SDC		CVD Materials		Eliminations			Corporate			Consolidated
Assets	$	28,509	$	4,467	$	1,783	$	25		$	-		$	34,784
Revenue	$	5,845	$	2,312	$	667	$	(129	)	$	-		$	8,695
Operating (loss) income		138		631		81		-			(1,037	)		(187	)
Pretax (loss) income		141		631		108		-			(918	)		(38	)
Depreciation and amortization	$	131	$	12	$	23	$	-		$	-		$	166
Purchase of property, plant & equipment	$	136	$	10	$	-	$	-		$	-		$	146

2022
	CVD Equipment			SDC		CVD Materials			Eliminations			Corporate			Consolidated
Assets	$	25,312		$	4,858	$	1,809		$	28		$	-		$	32,007
Revenue	$	2,827		$	1,415	$	458		$	(44	)	$	-		$	4,656
Operating (loss) income		(736	)		442		30			-			(706	)		(970	)
Pretax (loss) income		(726	)		442		(7	)		-			(706	)		(997	)
Depreciation and amortization	$	216		$	13	$	22		$	-		$	-		$	251
Purchase of property, plant & equipment	$	145		$	2	$	30		$	-		$	-		$	177