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Earnings per Share (Note)
 6 Months Ended
Jun. 30, 2013
Earnings Per Share [Abstract]  
Earnings per Share
3. Earnings per Share

The following table sets forth the computation of basic and diluted earnings per share for the three and six months ended June 30, 2013 and 2012:
 
 
For the Three Months Ended June 30,
 
For the Six Months Ended June 30,
 
2013
 
2012
 
2013
 
2012
Numerator:
 
 
 
 
 
 
 
Net income
$
580

 
$
995

 
$
2,314

 
$
2,186

Denominator:
 
 
 
 
 
 
 
Weighted average shares (basic)
28,006,517

 
27,375,429

 
27,881,957

 
27,271,201

Dilutive effect of potential common shares
1,952,063

 
961,714

 
1,828,245

 
1,032,559

Weighted average shares (diluted)
29,958,580

 
28,337,143

 
29,710,202

 
28,303,760

Basic earnings per share
$
0.02

 
$
0.04

 
$
0.08

 
$
0.08

Diluted earnings per share
$
0.02

 
$
0.04

 
$
0.08

 
$
0.08


    
Dilutive potential common shares consist of shares issuable upon the exercise of stock options, settlement of SARs, vesting of RSUs and MSUs. Potential common shares determined to be antidilutive and excluded from diluted weighted average shares outstanding were approximately 3,400 and 722,200 for the three months ended June 30, 2013 and 2012, respectively, and approximately 2,300 and 528,400 for the six months ended June 30, 2013 and 2012, respectively.