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CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($)
$ in Thousands
Total
Common Stock
Additional Paid-in Capital
Accumulated Other Comprehensive Loss
Retained Earnings
Treasury Stock
Balance at Dec. 31, 2019 $ 344,156 $ 3,324 $ 90,572 $ (5,698) $ 274,118 $ (18,160)
Balance (in shares) at Dec. 31, 2019   33,233,614       3,061,040
Stocks issued under ESPP 352 $ 2 350      
Stocks issued under ESPP, Shares   22,776        
Cash dividends on common stock ($0.02 per share) (586)       (586)  
Foreign currency translation adjustment, net (9,063)     (9,063)    
Stock based compensation 1,357   1,357      
Stock options exercised; grants, termination and vesting of restricted stock units (net of shares in lieu of taxes) (2,529) $ (7) (2,522)      
Stock options exercised; grants, termination and vesting of restricted stock units (net of shares in lieu of taxes), Shares   (67,969)        
Net income 520       520  
Balance at Mar. 31, 2020 334,207 $ 3,319 89,757 (14,761) 274,052 $ (18,160)
Balance (in shares) at Mar. 31, 2020   33,188,421       3,061,040
Balance at Dec. 31, 2020 $ 360,736 $ 3,394 96,642 (9,322) 288,182 $ (18,160)
Balance (in shares) at Dec. 31, 2020 33,922,433 33,922,433       3,061,040
Stocks issued under ESPP $ 340 $ 2 338      
Stocks issued under ESPP, Shares   25,120        
Cash dividends on common stock ($0.02 per share) (596)       (596)  
Foreign currency translation adjustment, net (2,503)     (2,503)    
Stock based compensation 1,792   1,792      
Stock options exercised; grants, termination and vesting of restricted stock units (net of shares in lieu of taxes) (2,794) $ (7) (2,787)      
Stock options exercised; grants, termination and vesting of restricted stock units (net of shares in lieu of taxes), Shares   (73,231)        
Net income 3,071       3,071  
Balance at Mar. 31, 2021 $ 360,046 $ 3,389 $ 95,985 $ (11,825) $ 290,657 $ (18,160)
Balance (in shares) at Mar. 31, 2021 33,874,322 33,874,322       3,061,040