Note 14 - Business Segments (Tables)

6 Months Ended

Dec. 31, 2022

Notes Tables

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

	Six Months			Operating
	Ended	Net		Income /			Total		Depr. And		Capital
	Dec. 31,	Revenue		(Loss)			Assets		Amort.		Expenditures
Manufacturing	2022	$	8,629	$	477		$	15,345	$	230	$	15
	2021	$	7,090	$	252		$	14,799	$	208	$	95
Testing Services	2022		12,012		1,129			27,757		1,875		3,967
	2021		9,566		1,124			24,546		1,251		699
Distribution	2022		3,676		482			1,437		-		-
	2021		4,418		531			1,850		2		-
Real Estate	2022		12		(42	)		1,580		38		-
	2021		19		(51	)		1,283		41		1
Corporate & Unallocated	2022		-		90			77		-		12
	2021		-		(230	)		74		-		-
Total Company	2022	$	24,329	$	2,136		$	46,196	$	2,143	$	3,994
	2021	$	21,093	$	1,626		$	42,552	$	1,502	$	795

	Three Months			Operating
	Ended	Net		Income /			Total		Depr. And		Capital
	Dec. 31,	Revenue		(Loss)			Assets		Amort.		Expenditures
Manufacturing	2022	$	5,044	$	301		$	15,345	$	99	$	15
	2021	$	3,528		(48	)		14,799		104		35
Testing Services	2022		5,648		547			27,757		1,111		2,811
	2021		4,966		588			24,546		644		322
Distribution	2022		1,694		217			1,437		-		-
	2021		2,420		277			1,850		-		-
Real Estate	2022		4		(28	)		1,580		20		-
	2021		8		(28	)		1,283		21		-
Corporate & Unallocated	2022		-		32			77		6		12
	2021		-		(133	)		74		-		-
Total Company	2022	$	12,390	$	1,069		$	46,196	$	1,236	$	2,838
	2021	$	10,922		656			42,552		769		357