Note 11 - Advances from Investors (Details Textual) - USD ($)
|9 Months Ended|
Jun. 30, 2022
Jun. 30, 2021
|Proceeds from Advances from Investors||$ 575,000||$ 0|
|President and Chief Executive Officer, Chief Financial Officer, and Board of Directors [Member]|
|Proceeds from Advances from Investors||$ 80,000|
Amount of cash inflow for advances from investors.
No definition available.