Consolidated Statements of Operations - USD ($)	3 Months Ended		9 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Operating expenses:
Research and development	$ 11,249,191	$ 8,545,279	$ 33,341,333	$ 29,023,253
General and administrative	5,774,769	2,929,717	15,741,888	9,267,962
Loss from operations	(17,023,960)	(11,474,996)	(49,083,221)	(38,291,215)
Loss on equity method investment	11,805	435,346	41,504	435,346
Interest expense, net	356,947	256,873	1,126,808	666,945
Loss on extinguishment of debt			1,025,402
Change in fair value of unsecured convertible promissory note	376,963		882,903
Change in fair value of warrant liability	(229,714)	29,332	(454,599)	363,476
Loss before income taxes	(17,539,961)	(12,196,547)	(51,705,239)	(39,756,982)
Income tax expense			2,000	2,000
Net loss	$ (17,539,961)	$ (12,196,547)	$ (51,707,239)	$ (39,758,982)
Per share information:
Net loss per share of common stock, basic (in dollars per share)	$ (0.08)	$ (0.07)	$ (0.25)	$ (0.27)
Net loss per share of common stock, diluted (in dollars per share)	$ (0.08)	$ (0.07)	$ (0.25)	$ (0.27)
Weighted average shares outstanding, basic (in shares)	220,497,826	168,420,675	209,108,090	146,860,652
Weighted average shares outstanding, diluted (in shares)	220,497,826	168,420,675	209,108,090	146,860,652