Note 14 - Business Segments (Tables)

3 Months Ended

Sep. 30, 2022

Notes Tables

Reconciliation of Revenue from Segments to Consolidated [Table Text Block]

	Three Months
	Ended	Net		Operating			Total		Depr. And		Capital
	Sept. 30,	Revenue		Income / (Loss)			Assets		Amort.		Expenditures
Manufacturing	2022	$	3,585	$	176		$	12,791	$	97	$	-
	2021	$	3,562	$	300		$	18,558	$	103	$	60
Testing Services	2022		6,364		1,087			27,770		767		1,156
	2021		4,600		536			18,363		585		377
Distribution	2022		1,982		265			1,603		-		-
	2021		1,998		254			1,288		2		-
Real Estate	2022		8		(14	)		1,490		18		-
	2021		11		(23	)		1,588		19		1
Corporate & Unallocated	2022		-		(447	)		151		-		-
	2021		-		(97	)		314		-		-
Total Company	2022	$	11,939	$	1,067		$	43,805	$	882	$	1,156
	2021	$	10,171	$	970		$	40,111	$	709	$	438