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Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - USD ($)
$ in Thousands
Sep. 30, 2024
Dec. 31, 2023
Trade accounts receivable, allowance for doubtful accounts $ 301 $ 300
Preferred stock, par value (in dollars per share) $ 0.1 $ 0.1
Preferred Stock, Shares Authorized (in shares) 1,000,000 1,000,000
Preferred Stock, Shares Issued (in shares) 0 0
Common stock, par value (in dollars per share) $ 0.1 $ 0.1
Common Stock, Shares Authorized (in shares) 40,000,000 40,000,000
Common stock, shares issued (in shares) 21,062,627 20,783,607
Common stock, shares outstanding (in shares) 16,626,513 16,347,493
Treasury Stock, Common, Shares (in shares) 4,436,114 4,436,114