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CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($)
$ in Thousands
Dec. 31, 2023
Dec. 31, 2022
CURRENT ASSETS:    
Accounts receivable, allowances for discounts and expected credit losses $ 8,045 $ 5,375
Stockholders' equity:    
Common stock, par value (in dollars per share) $ 2 $ 2
Common stock, shares authorized (in shares) 30,000,000 30,000,000
Common stock, shares issued (in shares) 23,936,036 23,936,036
Treasury stock - at cost (in shares) 2,018,982 2,350,377