Consolidated Balance Sheets - USD ($)	Jun. 30, 2022	Sep. 30, 2021
Current assets:
Cash and cash equivalents	$ 26,021,429	$ 14,477,324
Prepaid expenses and other current assets	11,491,956	7,030,823
Total current assets	37,513,385	21,508,147
Property and equipment, net	40,906	163,625
Operating lease right-of-use assets, net	80,924	111,429
Equity method investment	812,156	853,660
Other assets	140,356	174,590
Total assets	38,587,727	22,811,451
Current liabilities:
Current portion of long-term debt	10,459,372	904,200
Current portion of finance lease liabilities	14,354	26,464
Current portion of operating lease liabilities	38,203	42,854
Accounts payable	2,480,871	2,196,349
Accrued expenses	3,580,535	1,725,721
Income taxes payable	1,856,629	1,856,629
Total current liabilities	18,429,964	6,752,217
Long-term debt		10,885,854
Finance lease liabilities	7,349	16,018
Operating lease liabilities		26,995
Warrant liability	68,319	522,918
Total liabilities	18,505,632	18,204,002
Commitments and contingencies (Note 9)
Convertible preferred stock:
Total convertible preferred stock
Stockholders' equity:
Preferred stock, value
Common stock, par value $0.01 per share; 325,000,000 shares authorized; 225,942,719 and 176,461,628 shares issued and outstanding at June 30, 2022 and September 30, 2021, respectively	2,259,427	1,764,616
Additional paid-in capital	412,413,161	345,726,087
Accumulated deficit	(394,590,493)	(342,883,254)
Total stockholders' equity	20,082,095	4,607,449
Total liabilities, convertible preferred stock and stockholders' equity	38,587,727	22,811,451
Series A convertible preferred stock
Convertible preferred stock:
Total convertible preferred stock
Convertible Preferred Stock Series A-1
Convertible preferred stock:
Total convertible preferred stock
Series B convertible preferred stock
Stockholders' equity:
Preferred stock, value