SHORT-TERM INVESTMENTS - Realized gains and losses (Details) - USD ($)	9 Months Ended
	Jun. 30, 2022	Sep. 30, 2021
Debt Securities, Held-to-maturity, Allowance for Credit Loss [Line Items]
Amortized Cost	$ 106,468,599	$ 57,026,103
Unrealized Losses	(51,682)
Accrued Interest	$ 310,890	$ 76,056
Accrued Interest - extensible enumeration	Short-term investments (Note 4)	Short-term investments (Note 4)
Estimated Fair Value	$ 106,727,807	$ 57,102,159
Unrealized loss position	51,682
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	89,496,261	57,026,103
Accrued Interest	130,434	76,056
Estimated Fair Value	89,626,695	$ 57,102,159
U.S. Treasury securities
Debt Securities, Held-to-maturity, Allowance for Credit Loss [Line Items]
Amortized Cost	8,580,088
Unrealized Losses	(24,305)
Accrued Interest	137,103
Estimated Fair Value	8,692,886
Corporate debt securities
Debt Securities, Held-to-maturity, Allowance for Credit Loss [Line Items]
Amortized Cost	4,433,583
Unrealized Losses	(27,377)
Accrued Interest	43,353
Estimated Fair Value	4,449,559
Commercial paper
Debt Securities, Held-to-maturity, Allowance for Credit Loss [Line Items]
Amortized Cost	3,958,667
Estimated Fair Value	$ 3,958,667