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Earnings Per Share
 6 Months Ended
Jun. 30, 2013
Earnings (Loss) Per Share [Abstract]  
Earnings Per Share [Text Block]
Earnings Per Share
Basic earnings per share is calculated using the weighted average number of shares of common stock outstanding during the period.  Diluted earnings per share is computed in the same manner and also gives effect to all dilutive common equivalent shares outstanding during the period.  Potential common shares that would have the effect of increasing diluted earnings per share are considered to be antidilutive. In accordance with U.S. GAAP, these shares were not included in calculating diluted earnings per share. For the three and six months ended June 30, 2013, the weighted average number of stock options and restricted stock units excluded from the computation of diluted earnings per share was 711 and 760, respectively, because their effect was antidilutive. For the three and six months ended June 30, 2012, the weighted average number of stock options and restricted stock units excluded from the computation of diluted earnings per share was 1,021 and 1,001, respectively, because their effect was antidilutive. Diluted earnings per share-weighted average shares outstanding do not include any effect resulting from assumed conversion of the Notes and warrants as their impact would be anti-dilutive.

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