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WARRANTY (Schedule of accrual warranty costs) (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Mar. 31, 2023
Mar. 31, 2022
Guarantees and Product Warranties [Abstract]        
Beginning balance $ 344 $ 255 $ 340 $ 221
Accruals during the period 26 52 135 117
Changes in estimates of prior period warranty accruals (103) (50) (89) (53)
Changes in estimates of prior period warranty accruals 103 50 89 53
Warranty amortization and utilization (15) (29) (134) (63)
Ending balance $ 252 $ 328 $ 252 $ 328