Redeemable Convertible Preferred Stock

12 Months Ended

Dec. 31, 2019

Temporary Equity Disclosure [Abstract]

Redeemable Convertible Preferred Stock

9. Redeemable Convertible Preferred Stock

The Company has issued Series A and Series A-1 preferred stock (together, the “Redeemable Convertible Preferred Stock”). The Redeemable Convertible Preferred Stock is classified outside of stockholders’ deficit because the shares contain redemption features that are not solely within the control of the Company.

Upon the closing of the Company’s initial public offering on April 23, 2018, all shares of the Redeemable Convertible Preferred Stock automatically converted into 16,863,624 shares of common stock.