STOCK-BASED COMPENSATION - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended
Dec. 31, 2019	Dec. 31, 2018
Two Thousand Eighteen Equity Incentive Plan [Member]
STOCK-BASED COMPENSATION
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized	700
Employee Stock Option [Member]
STOCK-BASED COMPENSATION
Employee Service Share-based Compensation, Non-vested Awards, Compensation Not yet Recognized, Stock Options	$ 452
Employee Service Share-based Compensation, Non-vested Awards, Compensation Cost Not yet Recognized, Period for Recognition	1 year 1 month 6 days
Allocated Share-based Compensation Expense	$ 81	$ 25
Restricted common shares
STOCK-BASED COMPENSATION
Employee Service Share-based Compensation, Non-vested Awards, Compensation Not yet Recognized, Stock Options	$ 208
Employee Service Share-based Compensation, Non-vested Awards, Compensation Cost Not yet Recognized, Period for Recognition	1 year 9 months
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period	54

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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