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SHORT-TERM INVESTMENTS - Realized gains and losses (Details) - USD ($)	12 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Debt Securities, Held-to-maturity, Allowance for Credit Loss [Line Items]
Amortized Cost	$ 113,943,845	$ 109,833,757
Unrealized Losses	(43,248)	(58,666)
Accrued Investment Income	$ 473,892	$ 385,938
Accrued Investment Income - extensible enumeration	Short-term investments (Note 4)	Short-term investments (Note 4)
Estimated Fair Value	$ 114,374,489	$ 110,161,029
Unrealized loss position	0
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	41,141,314	89,688,690
Accrued Investment Income	172,154	316,960
Estimated Fair Value	41,313,468	90,005,650
U.S. Treasury securities
Debt Securities, Held-to-maturity, Allowance for Credit Loss [Line Items]
Amortized Cost	72,802,531	11,149,053
Unrealized Losses	(43,248)	(39,590)
Accrued Investment Income	301,738	39,720
Estimated Fair Value	$ 73,061,021	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 Investment Income		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

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Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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