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Consolidated Balance Sheets (Parenthetical) - USD ($)
$ in Thousands
Dec. 31, 2024
Dec. 31, 2023
Statement of Financial Position [Abstract]    
Accounts receivable, allowance $ 50 $ 474
Common stock, par value (in dollars per share) $ 1 $ 1
Common stock, shares authorized (in shares) 25,000,000 25,000,000
Common stock, shares issued (in shares) 12,221,484 12,221,484
Common stock, shares outstanding (in shares) 7,357,450 7,224,718
Treasure stock shares at cost (in shares) 4,864,034 4,996,766