Quarterly report pursuant to Section 13 or 15(d)

Note 7 - Derivative Liabilities (Tables)

Note 7 - Derivative Liabilities (Tables)

6 Months Ended

Mar. 31, 2022

Notes Tables

Schedule of Derivative Liabilities at Fair Value [Table Text Block]

Fair Value Measurements Using Significant Unobservable Inputs - March 31, 2022 (Level 3)
		Series F				Series G				Series H
Beginning balance at September 30, 2021		$	1,000,000			$	748,275			$	459,200
Issuances			—				—				—
Adjustments to estimated fair value			(1,000,000	)			—				—
Ending balance at March 31, 2022		$	—			$	748,275			$	459,200

Fair Value Measurements Using Significant Unobservable Inputs – September 30, 2021 (Level 3)
		Series F				Series G				Series H
Beginning balance at September 30, 2020		$	1,000,000			$	748,275			$	568,144
Issuances			—				—				—
Adjustments to estimated fair value			—				—				(108,944	)
Ending balance at September 30, 2021		$	1,000,000			$	748,275			$	459,200

Fair Value Measurement Inputs and Valuation Techniques [Table Text Block]

		Series F				Series G				Series H
Closing price per share of Common Stock		$	—			$	0.0975			$	0.0975
Exercise price per share		$	—			$	0.70			$	0.40
Expected volatility (missing info?)			—	%			108.22	%			95.71	%
Risk-free interest rate			—	%			1.63	%			2.28	%
Dividend yield			—				—				—
Remaining expected term of underlying securities (years)			—				1.19				2.08

		Series F				Series G				Series H
Closing price per share of Common Stock		$	0.12			$	0.12			$	0.12
Exercise price per share		$	0.75			$	0.70			$	0.40
Expected volatility			90.28	%			87.40	%			86.59	%
Risk-free interest rate			0.04	%			0.19	%			0.41	%
Dividend yield			—				—				—
Remaining expected term of underlying securities (years)			0.34				1.70				2.58