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BUSINESS SEGMENTS (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Mar. 31, 2021 | Mar. 31, 2020 | Mar. 31, 2021 | Mar. 31, 2020
Net revenue | $ 8,112 | $ 8,501 | $ 23,154 | $ 27,286
Operating income (loss) | (65) | (367) | (429) | (318)
Total assets | 39,125 | 36,796 | 39,125 | 36,796
Depreciation and amortization | 755 | 774 | 2,224 | 2,350
Capital expenditures | 404 | 104 | 621 | 848
Manufacturing |  |  |  |
Net revenue | 3,130 | 2,519 | 9,324 | 8,881
Operating income (loss) | 214 | (102) | 277 | (201)
Total assets | 12,576 | 9,871 | 12,576 | 9,871
Depreciation and amortization | 98 | 101 | 310 | 297
Capital expenditures | 60 | 89 | 214 | 124
Testing Services |  |  |  |
Net revenue | 3,504 | 3,741 | 10,018 | 12,018
Operating income (loss) | (320) | (447) | (993) | (540)
Total assets | 21,364 | 22,332 | 21,364 | 22,332
Depreciation and amortization | 637 | 655 | 1,859 | 1,999
Capital expenditures | 344 | 15 | 407 | 724
Distribution |  |  |  |
Net revenue | 1,467 | 2,225 | 3,790 | 6,338
Operating income (loss) | 163 | 207 | 407 | 599
Total assets | 983 | 869 | 983 | 869
Depreciation and amortization | 0 | 1 | 0 | 3
Capital expenditures | 0 | 0 | 0 | 0
Real Estate |  |  |  |
Net revenue | 11 | 16 | 22 | 49
Operating income (loss) | (23) | (30) | (84) | (82)
Total assets | 3,784 | 3,584 | 3,784 | 3,584
Depreciation and amortization | 20 | 17 | 55 | 51
Capital expenditures | 0 | 0 | 0 | 0
Fabrication Services |  |  |  |
Net revenue | 0 | 0 | 0 | 0
Operating income (loss) | 0 | 0 | 0 | 0
Total assets | 0 | 23 | 0 | 23
Depreciation and amortization | 0 | 0 | 0 | 0
Capital expenditures | 0 | 0 | 0 | 0
Corporate And Unallocated |  |  |  |
Net revenue | 0 | 0 | 0 | 0
Operating income (loss) | (99) | 5 | (36) | (94)
Total assets | 418 | 117 | 418 | 117
Depreciation and amortization | 0 | 0 | 0 | 0
Capital expenditures | $ 0 | $ 0 | $ 0 | $ 0

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