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Earnings Per Share - (Tables)
 9 Months Ended
Sep. 30, 2014
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
The Company’s basic and diluted earnings (loss) per share amounts are as follows:

Three Months Ended September 30,
 
Nine Months Ended September 30,

2014

2013
 
2014
 
2013
Numerator:


 


 
 
 
 
Net income (loss)
$
(998
)
 
$
252

 
$
(6,134
)
 
$
1,404

Denominator:


 
 

 
 
 
 
Basic earnings (loss) per share - weighted average shares outstanding
33,237

 
32,897

 
33,205

 
32,727

Effect of potential dilutive securities:
 
 
 
 
 
 
 
Employee stock options and restricted stock units - dilutive shares
—

 
529

 
—

 
610

     Diluted earnings (loss) per share - weighted average shares outstanding
33,237

 
33,426

 
33,205

 
33,337

Earnings (loss) per share:
 

 
 

 
 

 
 

Basic
$
(0.03
)
 
$
0.01

 
$
(0.18
)
 
$
0.04

Diluted
$
(0.03
)
 
$
0.01

 
$
(0.18
)
 
$
0.04