Note 15 - Business Segments (Tables)

6 Months Ended

Dec. 31, 2021

Notes Tables

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

	Six Months Ended Dec. 31,	Net Revenue		Operating Income / (Loss)			Total Assets		Depr. And Amort.		Capital Expenditures
Manufacturing	2021	$	7,090		252			14,799		208		95
	2020	$	6,194		63			11,739		212		154
Testing Services	2021		9,566		1,124			24,546		1,251		699
	2020		6,514		(673	)		21,900		1,222		63
Distribution	2021		4,418		531			1,850		2		-
	2020		2,323		244			802		-		-
Real Estate	2021		19		(51	)		1,283		41		1
	2020		11		(61	)		3,846		35		-
Fabrication	2021		-		-			-		-		-
Services *	2020		-		-			-		-		-
Corporate &	2021		-		(230)			74		-		-
Unallocated	2020		-		63			76		-		-
Total Company	2021	$	21,093		1,626			42,552		1,502		795
	2020	$	15,042		(364	)		38,363		1,469		217

	Three Months Ended Dec. 31,	Net Revenue		Operating Income / (Loss)			Total Assets		Depr. And Amort.		Capital Expenditures
Manufacturing	2021	$	3,528		(48	)		14,799		104		35
	2020	$	3,569		81			11,739		110		87
Testing Services	2021		4,966		588			24,546		644		322
	2020		3,560		(336	)		21,900		636		41
Distribution	2021		2,420		277			1,850		-		-
	2020		1,065		120			802		-		-
Real Estate	2021		8		(28	)		1,283		21		-
	2020		7		(34	)		3,846		20		-
Fabrication	2021		-		-			-		-		-
Services *	2020		-		-			-		-		-
Corporate &	2021		-		133			74		-		-
Unallocated	2020		-		132			76		-		-
Total Company	2021	$	10,922		656			42,552		769		357
	2020	$	8,201		(37	)		38,363		766		128