Note 14 - Business Segments (Tables)

3 Months Ended

Sep. 30, 2023

Notes Tables

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

	Three Months			Operating
	Ended	Net		Income /			Total		Depr. And		Capital
	Sept. 30,	Revenue		(Loss)			Assets		Amort.		Expenditures
Manufacturing	2023	$	2,885	$	(42	)	$	18,996	$	114	$	19
	2022	$	3,585	$	176		$	12,791	$	97	$	-
Testing Services	2023		5,164		(128	)		21,312		1,326		58
	2022		6,364		861			27,770		767		1,156
Distribution	2023		1,910		245			1,958		-		-
	2022		1,982		265			1,603		-		-
Real Estate	2023		7		(26	)		2,059		19		-
	2022		8		(14	)		1,490		18		-
Corporate & Unallocated	2023		-		(50	)		374		12		-
	2022		-		(221	)		151		-		-
Total Company	2023	$	9,966	$	(1	)	$	44,699	$	1,471	$	77
	2022	$	11,939	$	1,067		$	43,805	$	882	$	1,156