XML 40 R29.htm IDEA: XBRL DOCUMENT v3.19.2
Common Stock (Tables)
6 Months Ended
Jun. 30, 2019
Equity [Abstract]  
Schedule of Stock by Class
Common stock has been reserved for the following potential future issuances:
 
June 30, 2019
 
December 31, 2018
 
(unaudited)

 
 
Shares underlying outstanding stock options
5,677,472

 
7,588,405

Shares underlying unvested restricted stock units
142,217

 
—

Shares available for issuance under the 2018 Incentive Award Plan
3,358,358

 
3,556,507

Shares available for issuance under the 2018 Employee Stock Purchase Plan
802,548

 
922,250

Total
9,980,595
 
12,067,162