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Consolidated Statement of Stockholders' Equity - USD ($)
Total
Interest rate swaps:
Foreign currency hedging derivatives:
Common Stock Outstanding
Paid-In Capital
Accumulated Other Comprehensive Income
Accumulated Other Comprehensive Income
Interest rate swaps:
Treasury Stock, Common
Retained Earnings
Beginning Balance (in shares) at Dec. 31, 2021       8,235,740          
Beginning Balance at Dec. 31, 2021 $ 100,095,000     $ 82,000 $ 38,013,000 $ 1,075,000   $ (28,617,000) $ 89,542,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]                  
Net income 7,371,000               7,371,000
Change in post-retirement benefits, net of tax (191,000)         (191,000)      
Change in foreign currency hedge, net of tax (467,000)         (467,000)      
Change in interest rate swaps, net of tax             $ 639,000    
Purchase of treasury stock (482,000)             (482,000)  
Restricted stock vested (in shares)       226,201          
Restricted stock vested 2,000     $ 2,000          
Share-based compensation 1,705,000       1,705,000        
Ending Balance (in shares) at Sep. 30, 2022       8,413,655          
Ending Balance at Sep. 30, 2022 108,672,000     $ 84,000 39,718,000 1,056,000   (29,099,000) 96,913,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]                  
Income tax benefit (expense)   $ (166,000) $ 159,000            
Income tax benefit 51,000                
Beginning Balance (in shares) at Jun. 30, 2022       8,413,655          
Beginning Balance at Jun. 30, 2022 106,622,000     $ 84,000 39,095,000 948,000   (29,099,000) 95,594,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]                  
Net income 1,319,000               1,319,000
Change in post-retirement benefits, net of tax (64,000)         (64,000)      
Change in foreign currency hedge, net of tax           (467,000)      
Change in interest rate swaps, net of tax             639,000    
Share-based compensation 623,000       623,000        
Ending Balance (in shares) at Sep. 30, 2022       8,413,655          
Ending Balance at Sep. 30, 2022 108,672,000     $ 84,000 39,718,000 1,056,000   (29,099,000) 96,913,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]                  
Income tax benefit (expense)   (166,000) 159,000            
Income tax benefit $ 17,000                
Beginning Balance (in shares) at Dec. 31, 2022 8,417,656     8,417,656          
Beginning Balance at Dec. 31, 2022 $ 116,125,000     $ 84,000 40,342,000 3,053,000   (29,099,000) 101,745,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]                  
Net income 18,142,000               18,142,000
Change in post-retirement benefits, net of tax (279,000)         (279,000)      
Change in foreign currency hedge, net of tax $ 158,000         158,000      
Change in interest rate swaps, net of tax             290,000    
Purchase of treasury stock (in shares) (48,286)     (125,701)          
Purchase of treasury stock $ (2,670,000)             (2,669,000)  
Stock Issued During Period, Shares, Other       100,641          
Stock Issued During Period, Value, Other 1,000     $ 1,000          
Restricted stock vested (in shares)       262,788          
Restricted stock vested 2,000     $ 2,000          
Share-based compensation $ 2,223,000       2,223,000        
Ending Balance (in shares) at Sep. 30, 2023 8,655,384     8,655,384          
Ending Balance at Sep. 30, 2023 $ 133,992,000     $ 86,000 42,565,000 3,222,000   (31,768,000) 119,887,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]                  
Income tax benefit (expense)   (76,000) (50,000)            
Income tax benefit 75,000                
Beginning Balance (in shares) at Jun. 30, 2023       8,603,072          
Beginning Balance at Jun. 30, 2023 130,298,000     $ 86,000 41,829,000 3,856,000   (31,006,000) 115,533,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]                  
Net income 4,354,000               4,354,000
Change in post-retirement benefits, net of tax (93,000)         (93,000)      
Change in foreign currency hedge, net of tax (706,000)         (706,000)      
Change in interest rate swaps, net of tax             $ 165,000    
Purchase of treasury stock (in shares)       (29,804)          
Purchase of treasury stock (762,000)             (762,000)  
Stock Issued During Period, Shares, Other       69,309          
Stock Issued During Period, Value, Other 0              
Restricted stock vested (in shares)       12,807          
Restricted stock vested 0              
Share-based compensation $ 736,000       736,000        
Ending Balance (in shares) at Sep. 30, 2023 8,655,384     8,655,384          
Ending Balance at Sep. 30, 2023 $ 133,992,000     $ 86,000 $ 42,565,000 $ 3,222,000   $ (31,768,000) $ 119,887,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]                  
Income tax benefit (expense)   $ (44,000) $ 192,000            
Income tax benefit $ 25,000