PROPERTY, PLANT AND EQUIPMENT (Details 1) - Assets Leased to Others [Member] - Building [Member] - USD ($) $ in Thousands |
Jun. 30, 2018 |
Jun. 30, 2017 |
|---|---|---|
| Property Subject to or Available for Operating Lease [Line Items] | ||
| Buildings leased to others - at original cost | $ 14,255 | $ 13,925 |
| Less: accumulated depreciation | (4,714) | (4,261) |
| Buildings leased to others - net | $ 9,541 | $ 9,664 |