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8. Income per Share (Tables)
9 Months Ended
Sep. 30, 2017
Income Per Share Tables  
Computation of basic and diluted income per share
    Three Months Ended     Nine Months Ended  
   

September 30,

2017

   

September 30,

 2016

   

September 30,

2017

   

September 30,

2016

 
Numerator:                        
Net income (numerator for basic and diluted earnings per share)   $ 600     $ 719     $ 650     $ 2,597  
Denominator:                                
Denominator for basic earnings per share weighted average shares     13,665,976       13,741,170       13,602,207       13,735,361  
                                 
Effect of dilutive securities:                                
       Options and RSUs     22,321       95,134       102,677       89,895  
                                 
Denominator:                                
Denominator for diluted earnings per share weighted average shares     13,688,297       13,836,304       13,704,884       13,825,256  
                                 
                                 
Basic income per share   $ 0.04     $ 0.05     $ 0.05     $ 0.19  
Diluted income per share   $ 0.04     $ 0.05     $ 0.05     $ 0.19