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CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY - USD ($)
shares in Thousands, $ in Thousands
Total
Common Stock Issued
Common Stock in Treasury
Paid-in Capital
Accumulated Other Comprehensive Income (Loss)
Retained Earnings
Beginning balance (in shares) at Dec. 31, 2020   24,392 (10,618)      
Beginning balance at Dec. 31, 2020 $ 313,301 $ 244 $ (295,495) $ 302,084 $ (18,522) $ 324,990
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Net income (loss) 6,993         6,993
Currency translation adjustment (2,868)       (2,868)  
Shares issued for employee benefit plan and compensation (in shares)   160        
Shares issued for employee benefit plan and compensation $ 410 $ 2   408    
Purchase of treasury shares (in shares) (191)   (191)      
Purchase of treasury shares $ (10,951)   $ (10,951)      
Stock options exercised (in shares)   22        
Stock options exercised 991 $ 0   991    
Shares issued to directors (in shares)   7        
Shares issued to directors 0 $ 0   0    
Employee and director stock-based compensation 2,600     2,600    
Performance-based common stock warrants 143     143    
Ending balance (in shares) at Mar. 31, 2021   24,581 (10,809)      
Ending balance at Mar. 31, 2021 310,619 $ 246 $ (306,446) 306,226 (21,390) 331,983
Beginning balance (in shares) at Dec. 31, 2021   24,679 (11,861)      
Beginning balance at Dec. 31, 2021 275,949 $ 247 $ (355,159) 314,094 (13,524) 330,291
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Net income (loss) (2,910)         (2,910)
Currency translation adjustment 1,849       1,849  
Shares issued for employee benefit plan and compensation (in shares)   145        
Shares issued for employee benefit plan and compensation $ 324 $ 1   323    
Purchase of treasury shares (in shares) (225)   (225)      
Purchase of treasury shares $ (7,354)   $ (7,354)      
Stock options exercised (in shares) 0          
Shares issued to directors (in shares)   7        
Shares issued to directors $ 0 $ 0   0    
Employee and director stock-based compensation 2,499     2,499    
Ending balance (in shares) at Mar. 31, 2022   24,831 (12,086)      
Ending balance at Mar. 31, 2022 $ 270,357 $ 248 $ (362,513) $ 316,916 $ (11,675) $ 327,381