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BUSINESS SEGMENTS (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Sep. 30, 2019 | Sep. 30, 2018
Net revenue | $ 9,823 | $ 10,045
Operating income (loss) | 222 | 123
Total assets | 36,118 | 37,039
Depreciation and amortization | 786 | 555
Capital expenditures | 539 | 1,214
Manufacturing [Member] |  |
Net revenue | 3,317 | 3,637
Operating income (loss) | (12) | 107
Total assets | 9,434 | 8,566
Depreciation and amortization | 47 | 29
Capital expenditures | 19 | 1
Testing Services [Member] |  |
Net revenue | 4,390 | 4,437
Operating income (loss) | 68 | (138)
Total assets | 22,138 | 24,200
Depreciation and amortization | 610 | 512
Capital expenditures | 520 | 1,213
Distribution [Member] |  |
Net revenue | 2,099 | 1,944
Operating income (loss) | 204 | 172
Total assets | 785 | 656
Depreciation and amortization | 111 | 0
Capital expenditures | 0 | 0
Real Estate [Member] |  |
Net revenue | 17 | 27
Operating income (loss) | (17) | (12)
Total assets | 3,577 | 3,441
Depreciation and amortization | 18 | 14
Capital expenditures | 0 | 0
Fabrication Services [Member] |  |
Net revenue | 0 | 0
Operating income (loss) | 0 | 0
Total assets | 27 | 25
Depreciation and amortization | 0 | 0
Capital expenditures | 0 | 0
Corporate And Unallocated [Member] |  |
Net revenue | 0 | 0
Operating income (loss) | (21) | (6)
Total assets | 157 | 151
Depreciation and amortization | 0 | 0
Capital expenditures | $ 0 | $ 0

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