Note 14 - Business Segments (Tables)

9 Months Ended

Mar. 31, 2024

Notes Tables

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

	Nine Months			Operating
	Ended	Net		Income /			Total		Depr. and		Capital
	Mar. 31,	Revenue		(Loss)			Assets		Amort.		Expenditures
Manufacturing	2024	$	12,488	$	447		$	17,740	$	323	$	49
	2023	$	11,592	$	373		$	15,056	$	365	$	18
Testing Services	2024		13,606		(463	)		20,651		3,141		121
	2023		17,709		1,445			26,522		3,218		4,033
Distribution	2024		6,453		868			1,702		-		38
	2023		4,855		633			1,283		-		-
Real Estate	2024		19		(76	)		2,429		55		-
	2023		15		(76	)		1,872		58		-
Corporate & Unallocated	2024		-		(41	)		565		27		-
	2023		-		(276	)		641		-		26
Total Company	2024	$	32,566	$	735		$	43,087	$	3,546	$	208
	2023	$	34,171	$	2,099		$	45,374	$	3,641	$	4,077

	Three Months			Operating
	Ended	Net		Income /			Total		Depr. and		Capital
	Mar. 31,	Revenue		(Loss)			Assets		Amort.		Expenditures
Manufacturing	2024	$	4,813	$	298		$	17,740	$	108	$	11
	2023	$	2,963	$	(104	)	$	15,056	$	135	$	3
Testing Services	2024		3,796		(183	)		20,651		634		1
	2023		5,697		37			26,522		1,343		66
Distribution	2024		1,783		222			1,702		-		38
	2023		1,179		151			1,283		-		-
Real Estate	2024		6		(23	)		2,429		18		-
	2023		3		(34	)		1,872		20		-
Corporate & Unallocated	2024		-		(255	)		565		-		-
	2023		-		(87	)		641		-		14
Total Company	2024	$	10,398	$	59		$	43,087	$	760	$	50
	2023	$	9,842	$	(37	)	$	45,374	$	1,498	$	83