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)

v3.20.1
Summary of Significant Accounting Policies - Schedule of Potentially Dilutive Securities Excluded from Computation of Diluted Weighted-Average Shares Outstanding (Details) - shares
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]    
Potentially dilutive securities excluded from computation of diluted weighted-average shares outstanding 2,305,762 1,258,302
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 1,133,208 1,091,238
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   60,250
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 25,664 36,924
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 1,127,000 50,000
Warrants    
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]    
Potentially dilutive securities excluded from computation of diluted weighted-average shares outstanding 19,890 19,890