Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Net Loss per Share (Parenthetical) (Details)

v3.19.2
Summary of Significant Accounting Policies - Net Loss per Share (Parenthetical) (Details)
Jun. 30, 2019
Common Stock | Convertible Preferred Stock  
Anti-dilutive securities  
Conversion ratio of series A stock into common stock 1000.00%