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Net Income Per Share
6 Months Ended
Jun. 30, 2014
Earnings Per Share [Abstract]  
Net Income per Share
8.
Net Income per Share

We utilize the two-class method to compute net income per share.  The two-class method allocates a portion of net income to participating securities, which include unvested awards of share-based payments with non-forfeitable rights to receive dividends.  Net income allocated to unvested share-based payments is excluded from net income allocated to common shares.  Any undistributed losses resulting from dividends exceeding net income are not allocated to participating securities.  Basic net income per share is computed by dividing net income allocated to common shares by the weighted average number of common shares outstanding during the period.  Diluted net income per share is computed by dividing net income allocated to common shares by the weighted average number of common shares outstanding during the period, plus the dilutive effect of outstanding stock options.

The following table summarizes the net income allocated to common shares and the basic and diluted shares used in the net income per share computations:

 
 
Three Months Ended 
 June 30,
 
Six Months Ended 
 June 30,
 
 
2014
 
2013
 
2014
 
2013
 
 
(in thousands)
 
 
 
 
 
 
 
 
 
Net income
 
$
1,891

 
$
3,488

 
$
11,455

 
$
16,661

Less distributed and undistributed earnings allocated to participating securities
 
(139
)
 
(124
)
 
(333
)
 
(481
)
Net income allocated to common shares
 
$
1,752

 
$
3,364

 
$
11,122

 
$
16,180

 
 
 
 
 
 
 
 
 
Weighted average common shares outstanding
 
24,770

 
24,820

 
24,797

 
24,858

Incremental shares from assumed conversions of common stock options
 
4

 
24

 
5

 
27

Adjusted weighted average common shares outstanding
 
24,774

 
24,844

 
24,802

 
24,885

 
 
 
 
 
 
 
 
 
Potentially dilutive securities not included in weighted average share calculation due to anti-dilutive effect
 

 
16

 

 
16