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Earnings per Share (Tables)
9 Months Ended
Sep. 30, 2015
Earnings Per Share [Abstract]  
Securities that Potentially Dilute Calculation of Diluted Earnings Per Share

The following table sets forth securities outstanding that could potentially dilute the calculation of diluted earnings per share.

 

 

As of September 30,

 

 

2015

 

 

2014

 

Warrants to purchase common stock

 

3,913,718

 

 

 

2,504,237

 

2017 Notes

 

1,502,532

 

 

 

1,502,532

 

2022 Notes

 

291,611

 

 

 

315,034

 

Outstanding options to purchase common stock

 

433,371

 

 

 

249,410

 

Unvested restricted common stock

 

36,713

 

 

 

67,348

 

Total

 

6,177,945

 

 

 

4,638,561