STATEMENTS OF STOCKHOLDERS' EQUITY (UNAUDITED) - USD ($)	Total	Common Stock	Additional Paid-In Capital	Accumulated Deficit
Balance, shares at Sep. 30, 2021		43,207,183
Balance, amount at Sep. 30, 2021	$ 56,534,226	$ 432,072	$ 474,298,566	$ (418,196,412)
Warrant exercises, shares		19,705
Warrant exercises, amount	157,954	$ 197	157,757	0
Equity based compensation - employees	3,262,296	$ 0	3,262,296	0
401(k) contributions paid in common stock, shares		7,605
401(k) contributions paid in common stock, amount	52,555	$ 76	52,479	0
Stock and options issued to nonemployees for service, shares		18,020
Stock and options issued to nonemployees for service, amount	$ 143,160	$ 180	142,980	0
Option exercises, shares	6,500	6,500
Option exercises, amount	$ 29,835	$ 65	29,770	0
Share issuance costs	(45,965)	0	(45,965)	0
Net loss	(8,782,606)	$ 0	0	(8,782,606)
Balance, shares at Dec. 31, 2021		43,259,013
Balance, amount at Dec. 31, 2021	51,351,455	$ 432,590	477,897,883	(426,979,018)
Balance, shares at Sep. 30, 2022		43,448,317
Balance, amount at Sep. 30, 2022	32,163,207	$ 434,484	486,625,816	(454,897,093)
Warrant exercises, shares		217,752
Warrant exercises, amount	447,291	$ 2,177	445,114	0
Equity based compensation - employees	1,703,931	$ 0	1,703,931	0
401(k) contributions paid in common stock, shares		21,331
401(k) contributions paid in common stock, amount	50,178	$ 213	49,965	0
Stock and options issued to nonemployees for service, shares		40,236
Stock and options issued to nonemployees for service, amount	91,623	$ 402	91,221	0
Net loss	(7,853,509)	$ 0	0	(7,853,509)
2014 Incentive Stock Forfeited, shares		(2,000)
Incentive Stock Forfeited, amount	(11,100)	$ (20)	(11,080)
Balance, shares at Dec. 31, 2022		43,725,636
Balance, amount at Dec. 31, 2022	$ 26,591,621	$ 437,256	$ 488,904,967	$ (462,750,602)