Consolidated Statements of Cash Flows - USD ($)	9 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
OPERATING ACTIVITIES
Net loss	$ (51,707,239)	$ (39,758,982)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	153,224	211,466
Loss on extinguishment of debt	1,025,402
Non-cash interest expense	1,199,697	640,215
Stock-based compensation	6,334,717	3,482,772
Change in fair value of unsecured convertible promissory note	882,903
Change in fair value of warrant liability	(454,599)	363,476
Gain on settlement of lease termination obligation		(552,340)
Loss on equity method investment	41,504	435,346
Changes in operating assets and liabilities:
Prepaid expenses and other current assets	(4,461,133)	(6,904,417)
Other assets		298,523
Operating lease liability	(31,646)	(140,272)
Accounts payable	284,522	194,029
Accrued expenses	308,776	(3,532,940)
Net cash used in operating activities	(46,423,872)	(45,263,124)
FINANCING ACTIVITIES
Proceeds from the sale of common stock, net of issuance costs	60,675,552	42,514,237
Proceeds from debt	10,000,000	10,000,000
Payment of debt issuance costs		(8,032)
Proceeds from exercise of common stock warrants	188,100	3,585,809
Proceeds from exercise of stock options	17,750
Payments of finance lease obligations	(20,779)	(23,098)
Repayment of debt	(12,292,646)	(3,649,743)
Payment of financing costs	(600,000)
Net cash provided by financing activities	57,967,977	52,419,173
Net increase in cash and cash equivalents	11,544,105	7,156,049
Cash and cash equivalents at beginning of period	14,477,324	12,535,986
Cash and cash equivalents at end of period	26,021,429	19,692,035
Supplemental disclosure of cash flow information
Cash paid for interest	1,556,088	17,915
Supplemental schedule of non-cash financing activities:
Deferred offering costs amortization	$ 34,234	$ 82,654