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WARRANTY ACCRUAL (Details) - USD ($)
$ in Thousands
9 Months Ended 12 Months Ended
Mar. 31, 2020
Jun. 30, 2019
Warranty Accrual    
Beginning $ 39 $ 82
Additions charged to cost and expenses 2 15
Reversal 0 (58)
Currency translation effect 1 0
Ending $ 38 $ 39