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Net Loss Per Share
9 Months Ended
Sep. 30, 2018
Earnings Per Share [Abstract]  
Net Loss per Share

11. Net Loss per Share

The Company computes basic and diluted earnings (losses) per share using a methodology that gives effect to the impact of outstanding participating securities (the “two-class” method). Basic net loss per share is calculated by dividing net loss by the weighted-average number of common shares outstanding during the period and excludes any dilutive effects of share-based awards. Diluted net loss per share is computed giving effect to all potential dilutive common shares, including common stock issuable upon exercise of stock options, convertible preferred stock, and unvested restricted common stock. As the Company had net losses for the three and nine months ended September 30, 2018 and 2017, there is no income allocation required under the two-class method or dilution attributed to weighted average shares outstanding in the calculation of diluted loss per share.

The following potentially dilutive securities have been excluded from the calculation of diluted net loss per share because including them would have had an anti-dilutive effect (in common stock equivalent shares):

 

 

 

As of

 

 

 

September 30,

 

 

 

2018

 

 

2017

 

Redeemable convertible preferred stock

 

 

 

 

 

6,063,711

 

Options issued and outstanding

 

 

1,066,678

 

 

 

111,320

 

Total

 

 

1,066,678

 

 

 

6,175,031