BUSINESS SEGMENTS (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2018	Mar. 31, 2017
Net revenue	$ 10,104	$ 9,825	$ 31,601	$ 27,900
Operating Income (Loss)	234	485	1,479	1,140
Total assets	36,388	31,535	36,388	31,535
Depreciation and amortization	575	442	1,594	1,358
Capital expenditures	543	703	2,050	1,467
CorporateAndUnallocated [Member]
Net revenue	0	0	0	0
Operating Income (Loss)	(188)	29	(289)	88
Total assets	172	464	172	464
Depreciation and amortization	0	0	0	0
Capital expenditures	0	0	0	0
RealEstate [Member]
Net revenue	34	37	110	115
Operating Income (Loss)	(18)	(14)	(38)	(20)
Total assets	3,732	3,229	3,732	3,229
Depreciation and amortization	26	24	76	74
Capital expenditures	0	0	0	0
Distribution [Member]
Net revenue	2,033	1,581	5,175	4,360
Operating Income (Loss)	117	101	337	235
Total assets	631	679	631	679
Depreciation and amortization	0	0	0	2
Capital expenditures	0	0	0	0
Testing Services [Member]
Net revenue	4,913	3,977	14,454	12,204
Operating Income (Loss)	428	200	1,281	990
Total assets	24,790	18,814	24,790	18,814
Depreciation and amortization	519	376	1,432	1,141
Capital expenditures	517	692	1,987	1,378
Manufacturing [Member]
Net revenue	3,124	4,230	11,862	11,221
Operating Income (Loss)	(105)	169	188	(153)
Total assets	7,035	8,321	7,035	8,321
Depreciation and amortization	30	42	86	141
Capital expenditures	26	11	63	89
Fabrication Services [Member]
Net revenue	0	0	0	0
Operating Income (Loss)	0	0	0	0
Total assets	28	28	28	28
Depreciation and amortization	0	0	0	0
Capital expenditures	$ 0	$ 0	$ 0	$ 0