CONSOLIDATED STATEMENTS OF (DEFICIT) EQUITY - USD ($)	Common Stock [Member]	Additional Paid-In Capital [Member]	Accumulated Deficit [Member]	Noncontrolling Interest [Member]	Total
Balance at Sep. 30, 2019	$ 1,208	$ 255,962,922	$ (256,805,589)	$ (7,040)	$ (848,499)
Balance (in shares) at Sep. 30, 2019	1,207,993
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock issued in public offering, net of offering costs	$ 2,285	10,527,745			10,530,030
Common stock issued in public offering, net of offering costs (in shares)	2,285,000
Deemed dividend - warrant repricing		2,842	(2,842)
Exercise of warrants	$ 1,651	8,054,146			8,055,797
Exercise of warrants (in shares)	1,649,786
Stock based compensation expense		1,001,082			1,001,082
Net loss			(13,027,219)	(1,685)	(13,028,904)
Balance at Sep. 30, 2020	$ 5,144	275,548,737	(269,835,650)	(8,725)	$ 5,709,506
Balance (in shares) at Sep. 30, 2020	5,142,779				5,142,779
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock issued in public offering, net of offering costs	$ 1,810	13,754,697			$ 13,756,507
Common stock issued in public offering, net of offering costs (in shares)	1,810,000
Exercise of warrants	$ 521	2,613,408			2,613,929
Exercise of warrants (in shares)	520,151
Fair value of warrants issued in connection with convertible note repayment		1,643,440			1,643,440
Exercise of options cashlessly	$ 13	(13)
Exercise of options cashlessly (in shares)	13,190
Stock based compensation expense		1,668,003			1,668,003
Net loss			(14,286,442)	8,003	(14,278,439)
Balance at Sep. 30, 2021	$ 7,488	$ 295,228,272	$ (284,122,092)	$ (722)	$ 11,112,946
Balance (in shares) at Sep. 30, 2021	7,486,120				7,486,120