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Computation of Earnings Per Share (Tables)
 12 Months Ended
Dec. 31, 2017
Earnings Per Share [Abstract]  
Calculation of Basic and Diluted Earnings Per Share

The calculation of basic and diluted earnings per share for the year ended December 31 was as follows:

 

 

 

2017

 

 

2016

 

 

2015

 

Numerator

 

 

 

 

 

 

 

 

 

 

 

 

Net income

 

$

12,654

 

 

$

15,255

 

 

$

6,675

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Denominator

 

 

 

 

 

 

 

 

 

 

 

 

Determination of shares (in thousands)

 

 

 

 

 

 

 

 

 

 

 

 

Weighted-average common shares outstanding

 

 

5,102

 

 

 

5,166

 

 

 

5,350

 

Dilutive effect - share-based awards

 

 

31

 

 

 

12

 

 

 

16

 

Diluted weighted-average common shares outstanding

 

 

5,133

 

 

 

5,178

 

 

 

5,366

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Earnings per common share

 

 

 

 

 

 

 

 

 

 

 

 

Basic

 

$

2.48

 

 

$

2.95

 

 

$

1.25

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Diluted

 

$

2.47

 

 

$

2.95

 

 

$

1.24