Annual report pursuant to Section 13 and 15(d)

Note 1 - Summary of Significant Accounting Policies - Cash and Cash Equivalents (Details)

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Note 1 - Summary of Significant Accounting Policies - Cash and Cash Equivalents (Details) - USD ($)
$ in Thousands
Sep. 30, 2023
Sep. 30, 2022
Cash and cash equivalents $ 37,827 $ 16,650
Cash Including Money Market Accounts [Member]    
Cash and cash equivalents 11,360 16,635
Money Market Funds [Member]    
Cash and cash equivalents $ 26,467 $ 15