19. BUSINESS SEGMENTS (Details) - USD ($) $ in Thousands		12 Months Ended
		Jun. 30, 2017	Jun. 30, 2016
Net revenue		$ 38,538	$ 34,454
Operating Income (Loss)		1,489	1,460
Total assets		33,498	32,219
Depreciation and amortization		1,836	1,838
Capital expenditures		2,285	1,657
Manufacturing [Member]
Net revenue		15,289	14,510
Operating Income (Loss)		75	260
Total assets		8,229	7,944
Depreciation and amortization		186	202
Capital expenditures		99	79
Testing Services [Member]
Net revenue		16,586	15,280
Operating Income (Loss)		1,112	1,010
Total assets		20,871	19,849
Depreciation and amortization		1,550	1,531
Capital expenditures		2,186	1,574
Distribution [Member]
Net revenue		6,511	4,542
Operating Income (Loss)		345	224
Total assets		617	662
Depreciation and amortization		2	2
Capital expenditures		0	4
RealEstate [Member]
Net revenue		152	122
Operating Income (Loss)		(38)	(100)
Total assets		3,511	3,306
Depreciation and amortization		98	103
Capital expenditures		0	0
Fabrication Services [Member]
Net revenue	[1]	0	0
Operating Income (Loss)	[1]	0	0
Total assets	[1]	29	30
Depreciation and amortization	[1]	0	0
Capital expenditures	[1]	0	0
CorporateAndUnallocated [Member]
Net revenue		0	0
Operating Income (Loss)		(5)	66
Total assets		241	428
Depreciation and amortization		0	0
Capital expenditures		$ 0	$ 0

[1] Fabrication services is a discontinued operation (Note 24).