Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Schedule of Property and Equipment Depreciated Using the Straight-Line Method Over the Estimated Useful Life of Each Asset (Details)

v3.19.1
Summary of Significant Accounting Policies - Schedule of Property and Equipment Depreciated Using the Straight-Line Method Over the Estimated Useful Life of Each Asset (Details)
12 Months Ended
Dec. 31, 2018
Leasehold Improvements  
Property Plant And Equipment [Line Items]  
Estimated useful lives Shorter of life of lease or 10 years
Furniture and Fixtures  
Property Plant And Equipment [Line Items]  
Estimated useful life 5 years
Laboratory Equipment  
Property Plant And Equipment [Line Items]  
Estimated useful life 5 years
Computer Equipment  
Property Plant And Equipment [Line Items]  
Estimated useful life 3 years