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