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CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($)
$ in Thousands
Common Stock
Additional Paid-In Capital
Accumulated Surplus
Accumulated Other Comprehensive Income (Loss)
Total
BALANCE at Dec. 31, 2014 $ 113 $ 149,917 $ 19,822 $ (1,398) $ 168,454
Components of comprehensive income:          
Net income     15,976   15,976
Foreign currency translation adjustments       (3,703) (3,703)
Total comprehensive income     15,976 (3,703) 12,273
Issuance of common stock to non-employee directors (4,620, 4,410 and 5,922 for the period ended December 31, 2015, 2016 and 2017, respectively)   96     96
Exercise of stock options (34,000, 500 and 26,500 for the period ended December 31, 2015, 2016 and 2017, respectively)   186     186
Excess tax effect for stock-based compensation   106     106
Dividends paid ($0.64, $0.68 and $0.72 per share for the period ended December 31, 2015, 2016 and 2017, respectively)     (7,253)   (7,253)
BALANCE at Dec. 31, 2015 113 150,305 28,545 (5,101) 173,862
Components of comprehensive income:          
Net income     19,922   19,922
Foreign currency translation adjustments       (1,566) (1,566)
Total comprehensive income     19,922 (1,566) 18,356
Issuance of common stock to non-employee directors (4,620, 4,410 and 5,922 for the period ended December 31, 2015, 2016 and 2017, respectively)   96     96
Exercise of stock options (34,000, 500 and 26,500 for the period ended December 31, 2015, 2016 and 2017, respectively)   3     3
Dividends paid ($0.64, $0.68 and $0.72 per share for the period ended December 31, 2015, 2016 and 2017, respectively)     (7,715)   (7,715)
BALANCE at Dec. 31, 2016 113 150,404 40,752 (6,667) 184,602
Components of comprehensive income:          
Net income     23,016   23,016
Foreign currency translation adjustments       3,374 3,374
Total comprehensive income     23,016 3,374 26,390
Issuance of common stock to non-employee directors (4,620, 4,410 and 5,922 for the period ended December 31, 2015, 2016 and 2017, respectively)   150     150
Exercise of stock options (34,000, 500 and 26,500 for the period ended December 31, 2015, 2016 and 2017, respectively) 1 145     146
Dividends paid ($0.64, $0.68 and $0.72 per share for the period ended December 31, 2015, 2016 and 2017, respectively)     (8,188)   (8,188)
BALANCE at Dec. 31, 2017 $ 114 $ 150,699 $ 55,580 $ (3,293) $ 203,100