Quarterly report pursuant to Section 13 or 15(d)

Cover
- Document And Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- Significant Accounting Policies (Policies)
Notes Tables
Notes Details

Note 10 - Convertible Notes (Details Textual)

v3.22.1

Note 10 - Convertible Notes (Details Textual) - USD ($)				3 Months Ended		6 Months Ended
Note 10 - Convertible Notes (Details Textual) - USD ($)	Jun. 22, 2020	Jun. 04, 2020	Jun. 03, 2020	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2022	Mar. 31, 2021	Nov. 06, 2020
Series D Warrants [Member]
Proceeds from Warrant Exercises	$ 82,000		$ 850,000
Class of Warrant or Right, Warrants Exercised (in shares)	454,546
Remaining Warrants [Member]
Class of Warrant or Right, Warrants Exercised (in shares)		4,727,273
Series J Warrants [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares)	340,910	3,545,454						3,375,000
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)	$ 0.25	$ 0.25
Warrants and Rights Outstanding, Term (Year)	1 year	1 year						30 months
Series 1 Convertible Notes [Member]
Debt Instrument, Interest Rate, Stated Percentage		10.00%
Debt Instrument, Face Amount		$ 550,000
Debt Instrument, Term (Year)		3 years
Debt Instrument, Convertible, Conversion Price (in dollars per share)		$ 0.27
Debt Instrument, Early Repayment Minimum Interest, Percentage		10.00%
Series 1 Convertible Notes [Member] \| Maximum [Member]
Debt Instrument, Convertible, Conversion Price (in dollars per share)		$ 0.32
Series 2 Convertible Notes [Member]
Debt Instrument, Face Amount								$ 1,050,000
Debt Instrument, Convertible, Conversion Price (in dollars per share)								$ 0.25
Series 1 & 2 Convertible Notes [Member]
Interest Expense, Debt, Total				$ 39,000	$ 41,000	$ 80,000	$ 70,000

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