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Earnings Per Share - (Tables)
 6 Months Ended
Jun. 30, 2013
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
The Company’s basic and diluted earnings per share amounts are as follows:

Three Months Ended June 30,
 
Six Months Ended June 30,

2013

2012
 
2013

2012
Numerator:





 
 
 
 
Net income
$
759


$
6,346

 
$
1,152


$
8,208

Denominator:



 

 



 

Basic earnings per share - weighted average shares outstanding
32,567


32,144

 
32,633


32,110

Effect of potential dilutive securities:





 





Employee stock options and restricted stock units - dilutive shares
588


583

 
651


635

     Diluted earnings per share - weighted average shares outstanding
33,155


32,727

 
33,284


32,745

Earnings per share:
 


 

 
 


 

Basic
$
0.02


$
0.20

 
$
0.04


$
0.26

Diluted
$
0.02


$
0.19

 
$
0.03


$
0.25