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Net Income Per Share (Tables)
9 Months Ended
Sep. 30, 2016
Earnings Per Share [Abstract]  
Reconciliation of Common Shares Used for Basic and Diluted Earnings Per Share
The following table provides a reconciliation of the common shares used for basic net income per share to the diluted shares used for diluted net income per share:
 
Three Months Ended September 30,
 
Nine Months Ended September 30,
 
2016
 
2015
 
2016
 
2015
Basic weighted average shares outstanding
45,229,570

 
45,174,521

 
45,206,429

 
45,173,671

Effect of potential dilutive shares:
 
 
 
 
 
 
 
Warrants
293,311

 

 

 
1,154,313

Stock options

 

 

 
7,083

Restricted stock units
156,023

 

 
105,794

 
14,418

Performance stock units
113,179

 

 
60,481

 
2,729

Diluted weighted average shares outstanding
45,792,083

 
45,174,521

 
45,372,704

 
46,352,214