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Shareholders' Equity
 9 Months Ended
Sep. 30, 2016
Equity [Abstract]  
Shareholders' Equity

7. Shareholders’ Equity

 

The following table summarizes the change in shareholders’ equity during the three and nine months ended September 30, 2016 and 2015, respectively:

 

    Three months ended September 30,     Nine months ended September 30,  
    2016     2015     2016     2015  
Balance at the beginning of the period   $ 79,783     $ 78,665     $ 82,569     $ 76,016  
Exercise of stock options     238       62       671       152  
Stock repurchased     (1,024 )     —       (5,139 )     —  
Options repurchased     —       —       (1,752 )     —  
Proceeds from stock purchase plan     21       40       65       40  
Dividends     (449 )     —       (1,373 )     (639 )
Share-based compensation     175       193       494       648  
Tax benefit - stock option exercise     33       20       690       49  
Unrealized gain or loss on investments, net of tax     (38 )     17       179       (5 )
Foreign currency translation adjustment     7       (8 )     19       (59 )
Net income during the period     1,209       2,417       3,532       5,204  
Balance at end of the period   $ 79,955     $ 81,406     $ 79,955     $ 81,406  

 

On August 10, 2016, the Company announced a quarterly cash dividend of $0.05 per share which was paid on September 7, 2016 to shareholders of record as of August 24, 2016.