Quarterly report pursuant to Section 13 or 15(d)

Note 3 - Cash and Cash Equivalents (Details Textual)

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Note 3 - Cash and Cash Equivalents (Details Textual) - USD ($)
$ in Thousands
Jun. 30, 2023
Dec. 31, 2022
Cash and Cash Equivalents [Abstract]    
Cash $ 2,579 $ 596
Cash and cash equivalents $ 5,821 $ 36,374