WARRANTY LIABILITIES (Details) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Jun. 30, 2018 |
Jun. 30, 2017 |
|
| Class of Warrant or Right [Line Items] | ||
| Beginning balance | $ 7,632 | $ 10,360 |
| Deconsolidation of a subsidiary | 0 | (227) |
| Expense accrued | 3,211 | 1,547 |
| Expense incurred | (3,165) | (3,836) |
| Translation adjustment | 180 | (212) |
| Closing balance | 7,858 | 7,632 |
| Less: current portion of warranty liabilities | (5,622) | (5,386) |
| Long-term warranty liabilities | $ 2,236 | $ 2,246 |