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Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - $ / shares
$ / shares in Thousands
Sep. 30, 2024
Dec. 31, 2023
Sep. 30, 2023
Common stock, par value (in dollars per share) $ 0 $ 0 $ 0
Common stock, shares authorized (in shares) 25,000,000 25,000,000 25,000,000
Common stock, shares issued (in shares) 7,449,020 7,412,480 7,366,201
Common stock, shares outstanding (in shares) 7,449,020 7,412,480 7,366,201