STATEMENTS OF STOCKHOLDERS' EQUITY (UNAUDITED) 1 - 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)
Warrant exercises, shares		15,000
Warrant exercises, amount	89,250	$ 150	89,100	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
Option exercises, amount	23,511	$ 53	23,458	0
Share issuance costs	(117,021)	0	(117,021)	0
Net loss	(7,936,864)	0	0	(7,936,864)
Modification of warrants	192	$ 0	192	0
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, 2020		38,730,150
Balance, amount at Sep. 30, 2020	$ 19,726,674	$ 387,302	401,174,675	(381,835,303)
Option exercises, shares	126,954
Net loss	$ (28,156,252)
Balance, shares at Jun. 30, 2021		42,963,391
Balance, amount at Jun. 30, 2021	59,793,744	$ 429,634	469,355,665	(409,991,555)
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)
Warrant exercises, shares		991,239
Warrant exercises, amount	7,938,841	$ 9,912	7,928,929	0
401(k) contributions paid in common stock, shares		3,347
401(k) contributions paid in common stock, amount	51,420	$ 33	51,387	0
Stock and options issued to nonemployees for service, shares		13,486
Stock and options issued to nonemployees for service, amount	379,277	$ 135	379,142	0
Option exercises, shares		48,845
Option exercises, amount	138,788	$ 489	138,299	0
Share issuance costs	(13,828)	0	(13,828)	0
Net loss	(11,281,120)	$ 0	0	(11,281,120)
Balance, shares at Mar. 31, 2021		40,823,975
Balance, amount at Mar. 31, 2021	29,331,792	$ 408,240	429,976,839	(401,053,287)
Warrant exercises, shares		437,312
Warrant exercises, amount	1,379,490	$ 4,373	1,375,117	0
401(k) contributions paid in common stock, shares		6,111
401(k) contributions paid in common stock, amount	53,205	$ 61	53,144	0
Stock and options issued to nonemployees for service, shares		13,184
Stock and options issued to nonemployees for service, amount	$ 267,068	$ 132	266,936	0
Option exercises, shares	72,809	72,809
Option exercises, amount	$ 464,162	$ 728	463,434	0
Share issuance costs	(103,185)	0	(103,185)	0
Net loss	(8,938,268)	0	0	(8,938,268)
Modification of warrants	24,195	$ 0	24,195	0
Balance, shares at Jun. 30, 2021		42,963,391
Balance, amount at Jun. 30, 2021	59,793,744	$ 429,634	469,355,665	(409,991,555)
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
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
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, 2021		43,207,183
Balance, amount at Sep. 30, 2021	$ 56,534,226	$ 432,072	474,298,566	(418,196,412)
Option exercises, shares	6,500
Net loss	$ (28,238,682)
Balance, shares at Jun. 30, 2022		43,355,529
Balance, amount at Jun. 30, 2022	38,728,363	$ 433,555	484,729,902	(446,435,094)
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)
Warrant exercises, shares		5,500
Warrant exercises, amount	13,860	$ 55	13,805	0
401(k) contributions paid in common stock, shares		14,614
401(k) contributions paid in common stock, amount	57,517	$ 146	57,371	0
Stock and options issued to nonemployees for service, shares		25,475
Stock and options issued to nonemployees for service, amount	140,052	$ 255	139,797	0
Share issuance costs	(4,550)	0	(4,550)	0
Net loss	(9,823,492)	$ 0	0	(9,823,492)
Balance, shares at Mar. 31, 2022		43,304,602
Balance, amount at Mar. 31, 2022	45,127,548	$ 433,046	481,497,012	(436,802,510)
401(k) contributions paid in common stock, shares		12,640
401(k) contributions paid in common stock, amount	57,208	$ 126	57,082	0
Stock and options issued to nonemployees for service, shares		38,287
Stock and options issued to nonemployees for service, amount	$ 122,266	$ 383	121,883	0
Option exercises, shares	0
Share issuance costs	$ (28,560)	0	(28,560)	0
Net loss	(9,632,584)	0	0	(9,632,584)
Modification of warrants	634,713	$ 0	634,713	0
Balance, shares at Jun. 30, 2022		43,355,529
Balance, amount at Jun. 30, 2022	$ 38,728,363	$ 433,555	$ 484,729,902	$ (446,435,094)