INCOME TAXES - Provision (benefit) for income taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Current:
Federal		$ (31)
State and local	$ 7	6
Deferred:
Federal	(3,902)	143
State and local	(881)	29
Income tax (income) expense	$ (4,776)	$ 147