Quarterly report pursuant to Section 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
Mar. 31, 2024
Sep. 30, 2023
Investment securities: $ 133,612 $ 136,629
Fair Value, Inputs, Level 3 [Member]    
Investment securities: $ 0 $ 0