Quarterly report pursuant to Section 13 or 15(d)

Share-Based Compensation - Summary of Share-based Compensation Expense (Details)

v3.20.1
Share-Based Compensation - Summary of Share-based Compensation Expense (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Research and Development Expense    
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]    
Share-based compensation expense $ 213 $ 163
General and Administrative Expense    
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]    
Share-based compensation expense $ 384 $ 377