Quarterly report pursuant to Section 13 or 15(d)

Note 4 - Fair Value Measurements (Details Textual)

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Note 4 - Fair Value Measurements (Details Textual) - USD ($)
$ in Thousands
Mar. 31, 2022
Sep. 30, 2021
Debt Securities, Available-for-Sale, Total $ 29,187  
Fair Value, Inputs, Level 3 [Member]    
Debt Securities, Available-for-Sale, Total $ 0 $ 0