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CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
CONSOLIDATED BALANCE SHEETS    
Accounts receivable, reserves (in dollars) $ 2,067 $ 2,666
Common stock, par value (in dollars per share) $ 1.00 $ 1.00
Common Stock, Shares Authorized 24,000,000 24,000,000
Common Stock, Shares, Issued 9,708,730  
Common Stock, Shares, Outstanding 9,708,730 9,797,204