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Property and equipment, net
12 Months Ended
Dec. 31, 2022
Property, Plant and Equipment [Abstract]  
Property and equipment, net Property and equipment, net
Property and equipment, net consist of the following (in thousands):
December 31, 2022
CostAccumulated AmortizationNet Book Value
Laboratory equipment$6,773 $1,926 $4,847 
Furniture, fixtures, and IT equipment2,342 1,026 1,316 
$9,115 $2,952 $6,163 
December 31, 2021
CostAccumulated AmortizationNet Book Value
Laboratory equipment$6,237 $1,006 $5,231 
Furniture, fixtures, and IT equipment1,850 629 1,221 
$8,087 $1,635 $6,452 
Depreciation expense on property and equipment totaled $1.4 million and $1.1 million for the years ended December 31, 2022 and 2021, respectively.