Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Antidilutive Securities (Details)

v3.19.3.a.u2
Summary of Significant Accounting Policies - Antidilutive Securities (Details) - shares
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Share options    
Antidilutive securities    
Weighted average number of share options (in shares) 96,675,101 88,553,474