v3.26.1
Note 7 - Goodwill (Details Textual) - USD ($)
9 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Sep. 30, 2025
Goodwill $ 6,878,932   $ 6,878,932
Goodwill, Period Increase (Decrease) $ 0 $ 0