Consolidated Statements of Stockholders' Equity (Deficit) - USD ($)	Common Stock	Additional Paid-in Capital	Accumulated Deficit	Total
Balance at Sep. 30, 2020	$ 1,271,831	$ 291,274,366	$ (289,719,906)	$ 2,826,291
Balance, beginning (in shares) at Sep. 30, 2020	127,183,109
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation expense		1,154,641		1,154,641
Net loss			(14,455,914)	(14,455,914)
Balance at Dec. 31, 2020	$ 1,271,831	292,429,007	(304,175,820)	(10,474,982)
Balance, ending (in shares) at Dec. 31, 2020	127,183,109
Balance at Sep. 30, 2020	$ 1,271,831	291,274,366	(289,719,906)	2,826,291
Balance, beginning (in shares) at Sep. 30, 2020	127,183,109
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss				(39,758,982)
Balance at Jun. 30, 2021	$ 1,748,133	340,479,991	(329,478,888)	12,749,236
Balance, ending (in shares) at Jun. 30, 2021	174,813,326
Balance at Dec. 31, 2020	$ 1,271,831	292,429,007	(304,175,820)	(10,474,982)
Balance, beginning (in shares) at Dec. 31, 2020	127,183,109
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock in connection with exercise of warrants	$ 38,153	3,547,656		3,585,809
Issuance of common stock in connection with exercise of warrants (in shares)	3,815,304
Sale of common stock, net of issuance costs	$ 426,074	39,091,045		39,517,119
Sale of common stock, net of issuance costs (in shares)	42,607,394
Stock-based compensation expense		1,129,747		1,129,747
Net loss			(13,106,521)	(13,106,521)
Balance at Mar. 31, 2021	$ 1,736,058	336,197,455	(317,282,341)	20,651,172
Balance, ending (in shares) at Mar. 31, 2021	173,605,807
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Sale of common stock, net of issuance costs	$ 12,075	3,084,152		3,096,227
Sale of common stock, net of issuance costs (in shares)	1,207,519
Stock-based compensation expense		1,198,384		1,198,384
Net loss			(12,196,547)	(12,196,547)
Balance at Jun. 30, 2021	$ 1,748,133	340,479,991	(329,478,888)	12,749,236
Balance, ending (in shares) at Jun. 30, 2021	174,813,326
Balance at Sep. 30, 2021	$ 1,764,616	345,726,087	(342,883,254)	4,607,449
Balance, beginning (in shares) at Sep. 30, 2021	176,461,628
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock in connection with exercise of stock options	$ 250	17,500		17,750
Issuance of common stock in connection with exercise of stock options (in shares)	25,000
Sale of common stock, net of issuance costs	$ 477,740	56,979,163		57,456,903
Sale of common stock, net of issuance costs (in shares)	47,773,974
Stock-based compensation expense		1,204,048		1,204,048
Net loss			(14,462,729)	(14,462,729)
Balance at Dec. 31, 2021	$ 2,242,606	403,926,798	(357,345,983)	48,823,421
Balance, ending (in shares) at Dec. 31, 2021	224,260,602
Balance at Sep. 30, 2021	$ 1,764,616	345,726,087	(342,883,254)	4,607,449
Balance, beginning (in shares) at Sep. 30, 2021	176,461,628
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss				(51,707,239)
Balance at Jun. 30, 2022	$ 2,259,427	412,413,161	(394,590,493)	20,082,095
Balance, ending (in shares) at Jun. 30, 2022	225,942,719
Balance at Dec. 31, 2021	$ 2,242,606	403,926,798	(357,345,983)	48,823,421
Balance, beginning (in shares) at Dec. 31, 2021	224,260,602
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock in connection with exercise of warrants	$ 157	187,943		188,100
Issuance of common stock in connection with exercise of warrants (in shares)	15,675
Sale of common stock, net of issuance costs	$ 15,164	2,877,750		2,892,914
Sale of common stock, net of issuance costs (in shares)	1,516,465
Stock-based compensation expense		3,762,795		3,762,795
Net loss			(19,704,549)	(19,704,549)
Balance at Mar. 31, 2022	$ 2,257,927	410,755,286	(377,050,532)	35,962,681
Balance, ending (in shares) at Mar. 31, 2022	225,792,742
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Sale of common stock, net of issuance costs	$ 1,500	290,001		291,501
Sale of common stock, net of issuance costs (in shares)	149,977
Stock-based compensation expense		1,367,874		1,367,874
Net loss			(17,539,961)	(17,539,961)
Balance at Jun. 30, 2022	$ 2,259,427	$ 412,413,161	$ (394,590,493)	$ 20,082,095
Balance, ending (in shares) at Jun. 30, 2022	225,942,719