INCOME TAXES - Provision (benefit) for income taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Current:
Federal	$ (31)	$ (6)
State and local	4	16
Deferred:
Federal	31	(70)
State and local	0	0
Income tax expense (benefit)	$ 4	$ (60)