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RETIREMENT PLAN (Details) - USD ($) $ in Thousands	12 Months Ended
RETIREMENT PLAN (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Sep. 30, 2018
RETIREMENT PLAN
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay	50.00%
Defined Contribution Plan Employer Contribution Match Maximum Percent Of Employee Contribution	6.00%
Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent	30.00%
Contribution expense	$ 374	$ 256