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Summary of Significant Accounting Policies (Tables)
3 Months Ended
Mar. 31, 2014
Summary of Significant Accounting Policies  
Summary of the outstanding securities not included in the computation of diluted net loss per common share as their inclusion would be anti-dilutive

 

 

 

March 31,

 

 

 

2014

 

2013

 

Common stock options

 

8,179,958

 

7,084,855

 

Unvested restricted common stock

 

35,000

 

98,814