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NET (LOSS) INCOME PER SHARE (Details) - shares		3 Months Ended		9 Months Ended
NET (LOSS) INCOME PER SHARE (Details) - shares	Sep. 27, 2021	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Employee stock options
LOSS PER SHARE
Shares excluded in computing diluted (loss)			671	1,967,080	671
Shares issuable upon conversion	3,040,268
Common shares issuable upon conversion of preferred shares
LOSS PER SHARE
Shares excluded in computing diluted (loss)		7		7
Restricted stock units
LOSS PER SHARE
Shares excluded in computing diluted (loss)				541,434