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EQUITY (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands		1 Months Ended	3 Months Ended		9 Months Ended
	Dec. 29, 2020	Mar. 31, 2020	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
STOCK-BASED COMPENSATION
Stock based compensation expense			$ 581	$ 176	$ 1,040	$ 380
Weighted average estimated fair value of stock options granted					$ 13.41	$ 3.08
CEO
STOCK-BASED COMPENSATION
Number of shares granted	40
2018 Equity Incentive Plan
STOCK-BASED COMPENSATION
Number of shares added under amended and restated plan		700
Number of shares remaining for grant under equity plan			413		413
Employee stock options
STOCK-BASED COMPENSATION
Unrecognized compensation expense expected to vest			$ 3,914		$ 3,914
Time over which unrecognized compensation expense expected to vest (in years)					2 years 8 months 12 days
Restricted common shares
STOCK-BASED COMPENSATION
Unrecognized compensation expense expected to vest			$ 1,360		$ 1,360
Time over which unrecognized compensation expense expected to vest (in years)					1 year 8 months 12 days
Number of shares granted					150
Restricted common shares \| Leadership team
STOCK-BASED COMPENSATION
Number of shares granted					150