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Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - $ / shares
$ / shares in Thousands
Mar. 31, 2025
Dec. 31, 2024
Mar. 31, 2024
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) 7,451,996 7,454,465 7,417,546
Common stock, shares outstanding (in shares) 7,451,996 7,454,465 7,417,546