8. LEASES - Lease costs (Details) - USD ($)		12 Months Ended
		Sep. 30, 2022	Sep. 30, 2021
Leases [Abstract]
Operating lease cost	[1]	$ 112,869	$ 10,674
Finance lease cost:
Amortization of right-of-use assets		379,260	302,359
Interest on lease obligations		$ 37,886	$ 44,726

[1] Included in general and administrative expenses