Quarterly report [Sections 13 or 15(d)]

Note 5 - Fair Value Measurements (Details Textual)

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Note 5 - Fair Value Measurements (Details Textual) - USD ($)
$ in Thousands
Dec. 31, 2025
Sep. 30, 2025
Investment securities: $ 142,847 $ 144,306
Fair Value, Inputs, Level 3 [Member]    
Investment securities: $ 0 $ 0