Net Loss Per Share (Tables)
 6 Months Ended
Jun. 30, 2018
Earnings Per Share [Abstract]  
Schedule of Anti-dilutive Effect Excluded from Computation of Diluted Net Loss Per Share Attributable to Common Stockholders

The Company excluded the following potential common shares, presented based on amounts outstanding at June 30, 2018 and 2017, from the computation of diluted net loss per share attributable to common stockholders because including them would have had an anti-dilutive effect:

 

 

 

As of June 30,

 

 

 

2018

 

 

2017

 

Convertible preferred shares (as converted to common stock)

 

 

—

 

 

 

11,831,489

 

Unvested common stock from early exercise of options

 

 

219,747

 

 

 

360,335

 

Stock options to purchase common stock

 

 

2,641,800

 

 

 

897,622

 

Total

 

 

2,861,547

 

 

 

13,089,446