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WARRANTY (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2021
Dec. 31, 2020
Guarantees and Product Warranties [Abstract]        
Beginning balance $ 232 $ 190 $ 221 $ 213
Accruals during the period 33 175 64 255
Changes in estimates of prior period warranty accruals 11 7 4 (1)
Warranty amortization and utilization (21) (25) (34) (120)
Ending balance $ 255 $ 347 $ 255 $ 347