BUSINESS SEGMENTS (Details) - USD ($) $ in Thousands		3 Months Ended
		Sep. 30, 2017	Sep. 30, 2016
Net revenue		$ 10,945	$ 8,971
Operating Income (Loss)		547	377
Total assets		34,706	31,531
Depreciation and amortization		500	464
Capital expenditures		529	361
Manufacturing [Member]
Net revenue		4,765	3,671
Operating Income (Loss)		186	(93)
Total assets		8,194	7,716
Depreciation and amortization		28	50
Capital expenditures		35	11
Testing Services [Member]
Net revenue		4,605	4,157
Operating Income (Loss)		336	402
Total assets		22,129	19,219
Depreciation and amortization		447	388
Capital expenditures		494	350
Distribution [Member]
Net revenue		1,536	1,104
Operating Income (Loss)		101	34
Total assets		573	695
Depreciation and amortization		0	1
Capital expenditures		0	0
RealEstate [Member]
Net revenue		39	39
Operating Income (Loss)		(10)	2
Total assets		3,568	3,304
Depreciation and amortization		25	25
Capital expenditures		0	0
Fabrication Services [Member]
Net revenue	[1]	0	0
Operating Income (Loss)	[1]	0	0
Total assets	[1]	28	30
Depreciation and amortization	[1]	0	0
Capital expenditures	[1]	0	0
CorporateAndUnallocated [Member]
Net revenue		0	0
Operating Income (Loss)		(66)	32
Total assets		214	567
Depreciation and amortization		0	0
Capital expenditures		$ 0	$ 0

[1] Fabrication Services is a discontinued operation (Note 19).