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Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - USD ($)
$ in Thousands
Sep. 30, 2025
Dec. 31, 2024
Trade accounts receivable, allowance for doubtful accounts $ 418 $ 384
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) 21,085,061 21,069,079
Common stock, shares outstanding (in shares) 16,648,947 16,632,965
Treasury Stock, Common, Shares (in shares) 4,436,114 4,436,114