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Net Loss Per Share (Tables)
6 Months Ended
Jun. 30, 2018
Earnings Per Share [Abstract]  
Summary of Potentially Dilutive Shares of Common Stock

Because the Company reported a net loss for the three and six months ended June 30, 2018 and 2017, all potentially dilutive shares of common stock have been excluded from the computation of the dilutive net loss per share for all periods presented.  Such potentially dilutive shares of common stock consist of the following:

 

 

 

June 30,

 

 

2018

 

 

2017

 

Potentially dilutive securities, excluded:

 

 

 

 

 

 

 

Outstanding stock options

 

625,399

 

 

 

821,625

 

Unvested restricted stock units

 

233

 

 

 

15,401

 

Warrants to purchase common stock

 

2,670,014

 

 

 

3,657,132

 

 

 

3,295,646

 

 

 

4,494,158