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COMPOSITION OF CERTAIN FINANCIAL STATEMENT ITEMS (Schedule of Land and Building) (Details) - USD ($) $ in Thousands | Jun. 30, 2021 | Jun. 30, 2020
--- | --- | ---
Property, Plant and Equipment [Line Items] |  |
Land and building, gross | $ 6,499 |
Accumulated depreciation | 62 |
Land and building, net | 6,437 |
Land [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Land and building, gross | 3,684 |
Building [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Land and building, gross | $ 2,815 |

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