Note 11 - Segment Reporting (Tables)

3 Months Ended

Mar. 31, 2020

Notes Tables

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

									Eliminations* and
2020	CVD			SDC		Materials			Unallocated			Consolidated
Assets	$	36,699		$	6,451	$	5,653		$	(9	)	$	48,794
Revenue		4,097			1,819		284			(164	)		6,036
Operating income/(loss)		592			603		(357	)		(730	)		108
Pretax income/(loss)		589			610		(341	)		(730	)		128
2019
Assets	$	38,604		$	5,182	$	6,851		$	(9	)	$	50,628
Revenue		2,019			1,087		429			(66	)		3,469
Operating income/(loss)		(1,540	)		174		(198	)		(1,001	)		(2,565	)
Pretax income/(loss)		(1,511	)		176		(296	)		(1,002	)		(2,633	)