Annual report pursuant to Section 13 and 15(d)

Property and Equipment, Net - Summary (Details)

v3.19.1
Property and Equipment, Net - Summary (Details) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Property, Plant and Equipment [Line Items]    
Property and equipment at cost $ 8,415 $ 6,913
Accumulated depreciation (3,366) (2,879)
Property and equipment, net 5,049 4,034
Laboratory equipment    
Property, Plant and Equipment [Line Items]    
Property and equipment at cost 7,431 6,101
Office and computer equipment    
Property, Plant and Equipment [Line Items]    
Property and equipment at cost 661 494
Leasehold improvements    
Property, Plant and Equipment [Line Items]    
Property and equipment at cost $ 323 $ 318