SHORT-TERM INVESTMENTS - Realized gains and losses (Details) - USD ($)	12 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Debt Securities, Held-to-maturity, Allowance for Credit Loss [Line Items]
Amortized Cost	$ 109,833,757	$ 57,026,103
Unrealized Losses	(58,666)
Accrued Interest	$ 385,938	$ 76,056
Accrued Interest - extensible enumeration	Short-term investments (Note 4)	Short-term investments (Note 4)
Estimated Fair Value	$ 110,161,029	$ 57,102,159
Unrealized loss position	58,665
Gains or losses on sales of short-term investments	0
GICs and Term deposits
Debt Securities, Held-to-maturity, Allowance for Credit Loss [Line Items]
Amortized Cost	89,688,690	57,026,103
Accrued Interest	316,960	76,056
Estimated Fair Value	90,005,650	$ 57,102,159
U.S. Treasury securities
Debt Securities, Held-to-maturity, Allowance for Credit Loss [Line Items]
Amortized Cost	11,149,053
Unrealized Losses	(39,590)
Accrued Interest	39,720
Estimated Fair Value	11,149,183
Corporate debt securities
Debt Securities, Held-to-maturity, Allowance for Credit Loss [Line Items]
Amortized Cost	3,034,417
Unrealized Losses	(19,076)
Accrued Interest	29,258
Estimated Fair Value	3,044,599
Commercial paper
Debt Securities, Held-to-maturity, Allowance for Credit Loss [Line Items]
Amortized Cost	5,961,597
Estimated Fair Value	$ 5,961,597