8. LEASES - Lease costs (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2023	Mar. 31, 2022
Leases [Abstract]
Operating lease cost (1)	[1]	$ 79	$ 28	$ 159	$ 56
Finance lease cost:
Depreciation expense financed assets		95	39	119	190
Interest on lease obligations		$ 4	$ 10	$ 10	$ 21

[1] (1) Included in general and administrative expenses