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Consolidated Statements of Changes in Shareholders' Equity - USD ($)
$ in Thousands
Common Stock [Member]
Additional Paid-in Capital [Member]
AOCI Attributable to Parent [Member]
Retained Earnings [Member]
Treasury Stock [Member]
Noncontrolling Interest [Member]
Total
Balance (in shares) at Dec. 31, 2015 19,181,815            
Balance at Dec. 31, 2015 $ 1,918 $ 177,007 $ (907) $ (94,051) $ (17,808) $ (143) $ 66,016
Purchases of Stock         (635)   (635)
Vesting of Restricted Shares (in shares) 15,900            
Vesting of Restricted Shares $ 2 (2)        
Stock Option Exercises (in shares) 127,008           152,789
Stock Option Exercises $ 12 448         $ 460
Stock-Based Compensation - Stock Options   676         676
Restricted Stock   34         34
Foreign Currency Translation Adjustments     (2,173)       (2,173)
Net Income       3,509   (27) $ 3,482
Balance (in shares) at Dec. 31, 2016 19,324,723           15,308,971
Balance at Dec. 31, 2016 $ 1,932 178,163 (3,080) (90,542) (18,443) (170) $ 67,860
Purchases of Stock         (26)   $ (26)
Vesting of Restricted Shares (in shares) 12,900            
Vesting of Restricted Shares $ 1 (1)          
Stock Option Exercises (in shares) 333,305           333,305
Stock Option Exercises $ 33 1,396         $ 1,429
Stock-Based Compensation - Stock Options   642         642
Restricted Stock   11         11
Foreign Currency Translation Adjustments     1,469       1,469
Net Income       7,648   16 $ 7,664
Balance (in shares) at Dec. 31, 2017 19,670,928           15,651,217
Balance at Dec. 31, 2017 $ 1,966 $ 180,211 $ (1,611) $ (82,894) $ (18,469) $ (154) $ 79,049