STATEMENTS OF STOCKHOLDERS' EQUITY (UNAUDITED) - USD ($)	Total	Common Stock	Additional Paid-In Capital	Accumulated Deficit
Balance, shares at Sep. 30, 2020		38,730,150
Balance, amount at Sep. 30, 2020	$ 19,726,674	$ 387,302	$ 401,174,675	$ (381,835,303)
Proceeds from the sale of common stock, shares		1,000,000
Proceeds from the sale of common stock, amount	13,559,500	$ 10,000	13,549,500	0
Warrant exercises, shares		15,000
Warrant exercises, amount	89,250	$ 150	89,100	0
Equity based compensation - employees, shares		(2,000)
Equity based compensation - employees, amount	3,296,309	$ (20)	3,296,329	0
401(k) contributions paid in common stock, shares		3,564
401(k) contributions paid in common stock, amount	41,671	$ 36	41,635	0
Stock and options issued to nonemployees for service, shares		15,044
Stock and options issued to nonemployees for service, amount	$ 152,450	$ 150	152,300	0
Option exercises, shares	5,300	5,300
Option exercises, amount	$ 23,511	$ 53	23,458	0
Modification of warrants	192	0	192	0
Share issuance costs	(117,021)	0	(117,021)	0
Net loss	(7,936,864)	$ 0	0	(7,936,864)
Balance, shares at Dec. 31, 2020		39,767,058
Balance, amount at Dec. 31, 2020	28,835,672	$ 397,671	418,210,168	(389,772,167)
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, amount	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)