Property and equipment, net (Tables)
 12 Months Ended
Dec. 31, 2020
Property, Plant and Equipment [Abstract]  
Summary of Property and Equipment, Net
Property and equipment, net consists of the following:
As of December 31,20202019
(in thousands)
Capitalized software$693 $— 
Leasehold improvements3,088 3,088 
Office furniture and fixtures29 29 
Equipment104 104 
Property and equipment, gross3,914 3,221 
Less: accumulated depreciation and amortization(1,836)(1,281)
Property and equipment, net$2,078 $1,940