CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	12 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
CASH FLOWS FROM OPERATING ACTIVITIES
Net loss for the year	$ (28,542,821)	$ (26,582,343)
Items not affecting cash and cash equivalents:
Amortization of right-of-use asset	90,681	118,491
Accretion of premiums/discounts on short-term investments, net	(917,424)	(671,268)
Accretion of lease liability	33,139	6,942
Accrued investment income	500,148	374
Unrealized foreign exchange	0	(528)
Share-based payments	6,538,890	5,007,469
Changes in non-cash working capital items:
Receivables	(27,916)	(128,846)
Prepaids	(50,775)	1,232,416
Accounts payable and accrued liabilities	(237,770)	1,235,577
Operating lease liabilities	(102,351)	0
Net cash used in operating activities	(22,716,199)	(19,781,716)
CASH FLOWS FROM INVESTING ACTIVITIES
Purchase of short-term investments	(39,234,545)	(365,203,691)
Proceeds from short-term investments sold	131,023,755	361,676,542
Net cash provided by (used in) investing activities	91,789,210	(3,527,149)
CASH FLOWS FROM FINANCING ACTIVITIES
Options exercised	879,997	0
Shares purchased through employee share purchase plan	45,513	68,709
Lease payments	0	(136,866)
Net cash provided by (used in) financing activities	925,510	(68,157)
Effect of foreign exchange on cash and cash equivalents	9,104	2,459
Change in cash and cash equivalents for the year	70,007,625	(23,374,563)
Cash and cash equivalents, beginning of year	33,701,912	57,076,475
Cash and cash equivalents, end of year	103,709,537	33,701,912
Supplemental disclosure of non-cash investing and finance items:
Leased assets obtained in exchange for operating lease liabilities	$ 318,144	$ 0