Quarterly report [Sections 13 or 15(d)]

Note 13 - Income Taxes - Schedule of Reconciliation (Details) (Parentheticals)

v3.26.1
Note 13 - Income Taxes - Schedule of Reconciliation (Details) (Parentheticals)
 3 Months Ended 9 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Tax Jurisdiction of Domicile [Extensible Enumeration] Income Tax Jurisdiction, Domestic Federal [Member] Income Tax Jurisdiction, Domestic Federal [Member] Income Tax Jurisdiction, Domestic Federal [Member] Income Tax Jurisdiction, Domestic Federal [Member]