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Earnings Per Share - (Tables)
 3 Months Ended
Mar. 31, 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 March 31,

2013

2012
Numerator:





Net income
$
393


$
1,862

Denominator:



 

Basic earnings per share - weighted average shares outstanding
32,523


32,026

Effect of potential dilutive securities:





Employee stock options and restricted stock units - dilutive shares
716


687

     Diluted earnings per share - weighted average shares outstanding
33,239


32,713

Earnings per share:
 


 

Basic
$
0.01


$
0.06

Diluted
$
0.01


$
0.06