Shareholders’ Deficit (Tables)

6 Months Ended

Jun. 30, 2019

Equity [Abstract]

Summary of Reserved Shares of Common Stock

We have reserved shares of common stock for the following as of June 30, 2019 (unaudited):

Shares to be issued upon conversion of all series of convertible preferred stock	93,039,737
Shares to be issued upon exercise of outstanding common stock options	17,681,436
Shares available for future stock option grants	3,155,968
Shares to be issued upon exercise of outstanding Series E-1 convertible preferred stock options	15,034
Shares to be issued upon conversion of Series C convertible preferred stock in connection with warrant exercise	56,875
Shares to be issued upon conversion of common stock warrants	55,032
Shares of common stock reserved for future issuance	114,004,082