Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Schedule of Potentially Dilutive Securities Excluded from Computation of Diluted Weighted-Average Shares Outstanding (Details)

v3.20.2
Summary of Significant Accounting Policies - Schedule of Potentially Dilutive Securities Excluded from Computation of Diluted Weighted-Average Shares Outstanding (Details) - shares
 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]    
Potentially dilutive securities excluded from computation of diluted weighted-average shares outstanding 3,991,948 1,293,498
Options to Purchase Ordinary Shares    
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]    
Potentially dilutive securities excluded from computation of diluted weighted-average shares outstanding 1,168,891 1,158,079
Unvested Restricted Ordinary Shares    
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]    
Potentially dilutive securities excluded from computation of diluted weighted-average shares outstanding   34,162
Unvested Restricted Share Units    
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]    
Potentially dilutive securities excluded from computation of diluted weighted-average shares outstanding 14,258 31,367
Unvested Performance Restricted Share Units    
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]    
Potentially dilutive securities excluded from computation of diluted weighted-average shares outstanding 1,095,000 50,000
Warrant    
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]    
Potentially dilutive securities excluded from computation of diluted weighted-average shares outstanding 1,713,799 19,890