Note 1 - Summary of Significant Accounting Policies (Details Textual) - USD ($) |
9 Months Ended | |
|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
|
| Increase (Decrease) in Accounts Payable and Accrued Liabilities | $ 3,037,000 | $ 2,310,000 |
| Revision of Prior Period, Error Correction, Adjustment [Member] | ||
| Increase (Decrease) in Accounts Payable and Accrued Liabilities | 667,000 | |
| Proceeds from (Repayments of) Debt | $ 667,000 | |