Note 15 - Employee Benefit Plans (Details Textual) - Pension Plan [Member] $ in Thousands	9 Months Ended
Jun. 30, 2026 USD ($)
Defined Benefit Plan, Plan Assets, Contributions by Employer	$ 0
Defined Benefit Plan, Expected Future Employer Contributions, Next Fiscal Year	$ 0

Amount of contribution received by defined benefit plan from employer which increases plan assets.

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+ Details