BUSINESS SEGMENTS (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Net revenue	$ 10,045	$ 10,945
Operating Income (Loss)	123	547
Total assets	37,039	34,706
Depreciation and amortization	555	500
Capital expenditures	1,214	529
Manufacturing [Member]
Net revenue	3,637	4,765
Operating Income (Loss)	107	186
Total assets	8,566	8,194
Depreciation and amortization	29	28
Capital expenditures	1	35
Testing Services [Member]
Net revenue	4,437	4,605
Operating Income (Loss)	(138)	336
Total assets	24,200	22,129
Depreciation and amortization	512	447
Capital expenditures	1,213	494
Distribution [Member]
Net revenue	1,944	1,536
Operating Income (Loss)	172	101
Total assets	656	573
Depreciation and amortization	0	0
Capital expenditures	0	0
RealEstate [Member]
Net revenue	27	39
Operating Income (Loss)	(12)	(10)
Total assets	3,441	3,568
Depreciation and amortization	14	25
Capital expenditures	0	0
Fabrication Services [Member]
Net revenue	0	0
Operating Income (Loss)	0	0
Total assets	25	28
Depreciation and amortization	0	0
Capital expenditures	0	0
CorporateAndUnallocated [Member]
Net revenue	0	0
Operating Income (Loss)	(6)	(66)
Total assets	151	214
Depreciation and amortization	0	0
Capital expenditures	$ 0	$ 0