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Property and Equipment, Net
 12 Months Ended
Dec. 31, 2021
Property, Plant and Equipment [Abstract]  
Property and Equipment, Net Property and Equipment, Net
Property and equipment, net consisted of the following:
December 31,
(in thousands)20212020
Laboratory equipment$5,297 $3,631 
Computer equipment4,843 4,795 
Furniture and fixtures3,424 3,187 
Leasehold improvements2,055 1,895 
Construction in progress127 197 
Total cost15,746 13,705 
Less: Accumulated depreciation(7,136)(4,122)
Total property and equipment, net$8,610 $9,583 
Depreciation expense was $3.0 million, $2.3 million, and $0.8 million for the years ended December 31, 2021, 2020, and 2019, respectively.