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Statements of Changes in Shareholders' Equity - USD ($)
$ in Thousands
Total
Share capital
Additional paid-in capital
Accumulated other comprehensive income (loss)
Retained earnings
Non-controlling interests
Beginning balance at Dec. 31, 2014 $ 187,724 $ 1,029 $ 182,114 $ (5,347) $ 7,269 $ 2,659
Beginning balance, Shares at Dec. 31, 2014   44,174,217        
Issuance of shares (50) (50)
Exercise of stock options 419 $ 6 413
Exercise of stock options, Shares   161,003        
Stock-based compensation 234 220 14
Acquisition of non-controlling interests (Note 3) (1,744) (1,708) (36)
Dividend (8,535) (7,788) (747)
Other comprehensive income (loss) (1,379) (1,348) (31)
Net income 16,437 16,198 239
Ending balance at Dec. 31, 2015 193,106 $ 1,035 180,989 (6,695) 15,679 2,098
Ending balance, Shares at Dec. 31, 2015   44,335,220        
Exercise of stock options 41 $ 1 40
Exercise of stock options, Shares   20,550        
Stock-based compensation 152 103 49
Exercise of stock options in a subsidiary (292) 1,012 (1,304)
Acquisition of non-controlling interests (Note 3) (3) 641 (644)
Dividend (7,859) (7,761) (98)
Other comprehensive income (loss) (692) (733) 41
Net income 12,188 11,907 281
Ending balance at Dec. 31, 2016 196,641 $ 1,036 182,785 (7,428) 19,825 423
Ending balance, Shares at Dec. 31, 2016   44,355,770        
Exercise of stock options 586 $ 4 582
Exercise of stock options, Shares   132,808        
Stock-based compensation 78 78
Redeemable non-controlling interests reclassification to non-controlling interests 2,440 2,440
Dividend (10,125) (9,554) (571)
Other comprehensive income (loss) 7,565 7,511 54
Net income 16,378 15,442 936
Ending balance at Dec. 31, 2017 $ 213,563 $ 1,040 $ 183,445 $ 83 $ 25,713 $ 3,282
Ending balance, Shares at Dec. 31, 2017   44,488,578