Quarterly report pursuant to Section 13 or 15(d)

Convertible Preferred Stock - Additional Information (Details)

v3.19.3
Convertible Preferred Stock - Additional Information (Details) - shares
1 Months Ended
Oct. 31, 2019
Sep. 30, 2019
Dec. 31, 2018
Sep. 30, 2018
Temporary Equity [Line Items]        
Convertible preferred stock, issued shares       0
Convertible preferred stock, outstanding shares   19,356,835 12,393,047 0
Subsequent Event        
Temporary Equity [Line Items]        
Convertible preferred stock convert into non-voting common stock 6,409,519