Note 17 - Business Segments (Tables)

12 Months Ended

Jun. 30, 2022

Notes Tables

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

Business Segment Information:
	Year			Operating					Depr.
	Ended	Net		Income			Total		and		Capital
	June 30,	Revenue		(Loss)			Assets		Amort.		Expenditures
Manufacturing	2022	$	13,526	$	275		$	14,652	$	417	$	116
	2021	$	13,151	$	385		$	13,622	$	411	$	350
Testing Services	2022		19,477		1,313			25,148		2,577		1,351
	2021		13,846		(997	)		21,099		2,570		762
Distribution	2022		11,037		1,525			1,740		-		-
	2021		5,437		657			1,156		4		-
Real Estate	2022		25		(119	)		1,608		81		1
	2021		28		(116	)		2,070		74		-
Fabrication	2022		-		-			-		-		-
Services*	2021		-		-			-		-		-
Corporate &	2022		-		(641	)		273		-
Unallocated	2021		-		10			359		-
Total Company	2022	$	44,065	$	2,353		$	43,421	$	3,075	$	1,468
	2021	$	32,462	$	(61	)	$	38,306	$	3,059	$	1,112