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Summary of Significant Accounting Policies (Tables)
6 Months Ended
Jun. 30, 2018
Accounting Policies [Abstract]  
Summary of Common Stock Equivalents Outstanding

The Company excluded the following common stock equivalents, outstanding as of June 30, 2018 and 2017, from the computation of diluted net loss per share for the three and six months ended June 30, 2018 and 2017 because they had an anti-dilutive impact due to the net loss incurred for the periods:

 

     As of June 30,  
     2018      2017  

Options to purchase common stock

     6,261,528        4,185,866  

Unvested restricted common stock

     8,929        11,065  
  

 

 

    

 

 

 
     6,270,457        4,196,931