BASIS OF PRESENTATION AND SUMMARY OF ACCOUNTING POLICIES - Opening and closing balances of the Company's contract balances (Details) - USD ($)	12 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Oct. 01, 2021	Oct. 01, 2020
BASIS OF PRESENTATION AND SUMMARY OF ACCOUNTING POLICIES
Revenue recognized in contract liabilities	$ 31,061	$ 277,331
Contract liabilities
BASIS OF PRESENTATION AND SUMMARY OF ACCOUNTING POLICIES
Deferred revenue	563,557	281,000	$ 281,000	$ 511,036
Change in contract liabilities	$ (282,557)	$ 230,036