CONDENSED CONSOLIDATED STATEMENT OF STOCKHOLDERS' 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)
Stock based compensation expense		205,490			$ 205,490
Net loss			(2,662,711)	(30)	(2,662,741)
Balance at Dec. 31, 2019	3,493	266,698,999	(259,471,142)	(7,070)	$ 7,224,280
Balance (in shares) at Dec. 31, 2019					3,492,993
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]
Net loss					$ (5,613,646)
Balance at Mar. 31, 2020	4,060	269,693,833	(262,423,267)	(5,850)	$ 7,268,776
Balance (in shares) at Mar. 31, 2020					4,059,943
Balance at Dec. 31, 2019	3,493	266,698,999	(259,471,142)	(7,070)	$ 7,224,280
Balance (in shares) at Dec. 31, 2019					3,492,993
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercise of warrants	567	2,767,566			$ 2,768,133
Exercise of warrants (in shares)					566,950
Stock based compensation expense		227,268			$ 227,268
Net loss			(2,952,125)	1,220	(2,950,905)
Balance at Mar. 31, 2020	4,060	269,693,833	(262,423,267)	(5,850)	$ 7,268,776
Balance (in shares) at Mar. 31, 2020					4,059,943
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]
Exercise of warrants	$ (519)	(2,605,010)			$ (2,605,529)
Exercise of warrants (in shares)	518,551
Fair value of warrants issued in connection with convertible note repayment		1,643,440			1,643,440
Stock based compensation expense		571,498			571,498
Net loss			(4,809,556)	2,494	(4,807,062)
Balance at Dec. 31, 2020	$ 5,663	280,368,685	(274,645,206)	(6,231)	5,722,911
Balance (in shares) at Dec. 31, 2020	5,661,330
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]
Net loss					$ (6,324,140)
Balance at Mar. 31, 2021	$ 7,488	294,781,015	(276,162,006)	(6,509)	$ 18,619,988
Balance (in shares) at Mar. 31, 2021	7,486,120				7,486,120
Balance at Dec. 31, 2020	$ 5,663	280,368,685	(274,645,206)	(6,231)	$ 5,722,911
Balance (in shares) at Dec. 31, 2020	5,661,330
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	$ (2)	(8,398)			(8,400)
Exercise of warrants (in shares)	1,600
Exercise of warrants cashlessly	$ 13,190	(13)
Exercise of warrants cashlessly (in shares)	13
Stock based compensation expense		649,248			649,248
Net loss			(1,516,800)	(278)	(1,517,078)
Balance at Mar. 31, 2021	$ 7,488	$ 294,781,015	$ (276,162,006)	$ (6,509)	$ 18,619,988
Balance (in shares) at Mar. 31, 2021	7,486,120				7,486,120