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CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($)
shares in Thousands, $ in Thousands
Common stock
Capital in Excess of Par Value
Retained Earnings
Accumulated Other Comprehensive Loss
Total
Balance at Dec. 31, 2021 $ 3,399   $ 97,702 $ (2,576) $ 98,525
Balance (in shares) at Dec. 31, 2021 33,993        
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Stock issued for stock incentive plans, net $ 21 $ 589     610
Stock issued for stock incentive plans, net (in shares) 211        
Stock purchased and retired $ (6) (589) (107)   (702)
Stock purchased and retired (in shares) (60)        
Net income     7,063   7,063
Pension adjustment, net of taxes       22 22
Dividends paid     (4,095)   (4,095)
Balance at Mar. 31, 2022 $ 3,414   100,563 (2,554) 101,423
Balance (in shares) at Mar. 31, 2022 34,144        
Balance at Dec. 31, 2022 $ 3,422   122,954 (1,995) 124,381
Balance (in shares) at Dec. 31, 2022 34,218        
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Stock issued for stock incentive plans, net $ 29 748     777
Stock issued for stock incentive plans, net (in shares) 289        
Stock purchased and retired $ (7) $ (748) (155)   (910)
Stock purchased and retired (in shares) (69)        
Net income     11,549   11,549
Pension adjustment, net of taxes       1,886 1,886
Dividends paid     (4,817)   (4,817)
Balance at Mar. 31, 2023 $ 3,444   $ 129,531 $ (109) $ 132,866
Balance (in shares) at Mar. 31, 2023 34,438