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Net Income Per Share
 3 Months Ended
Mar. 31, 2014
Earnings Per Share [Abstract]  
Net Income (Loss) Per Share
Net Income Per Share
Basic net income per share is computed using the weighted-average number of common shares outstanding for the period. Diluted net income per share is computed by adjusting the weighted-average number of common shares outstanding for the effect of dilutive potential common shares outstanding during the period. Potential common shares included in the diluted calculation consist of incremental shares issuable upon the exercise of outstanding stock options calculated using the treasury stock method.
The following table sets forth the calculation of basic and diluted net income per share (in thousands, except per share amounts):
 
 
Three Months Ended
 
March 31,
 
2014
 
2013
Basic net income per share:
 
 
 
Net income
$
4,638

 
$
5,595

Weighted average common shares
14,880

 
15,362

Basic net income per share
$
0.31

 
$
0.36

Diluted net income per share:
 
 
 
Net income
$
4,638

 
$
5,595

Weighted average common shares
14,880

 
15,362

Effect of dilutive securities: stock options
90

 
9

Diluted weighted average common shares
14,970

 
15,371

Diluted net income per share
$
0.31

 
$
0.36



For the three months ended March 31, 2014, options to purchase 175,000 shares of common stock were not included in the computation of diluted net loss per share because the effect would have been anti-dilutive. For the three months ended March 31, 2013, options to purchase 100,000 shares of common stock were not included in the computation of diluted net income per share because the effect would have been anti-dilutive.