NET (LOSS) INCOME PER SHARE- Reconciliation of basic net loss to diluted net loss per share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
NET (LOSS) INCOME PER SHARE
Basic Net loss (income) applicable to common shareholders	$ (3,728)	$ 2,602	$ (92,862)	$ 1,513
Weighted average common shares outstanding, basic (in thousands) (in shares)	25,510	14,656	23,938	12,274
Weighted average common shares outstanding, diluted (in thousands) (in shares)	25,510	15,383	23,938	12,948
Basic net (loss) income per share (in dollars per share)	$ (0.15)	$ 0.18	$ (3.88)	$ 0.12
Diluted net (loss) income per share (in dollar per share)	$ (0.15)	$ 0.17	$ (3.88)	$ 0.12