Property and Equipment

12 Months Ended

Dec. 31, 2021

Property, Plant and Equipment [Abstract]

Property and Equipment

Property and Equipment    

Property and equipment consisted of the following at December 31 (in thousands):

	Useful Life (Years)	2021		2020
Manufacturing equipment	5	$	19,067	$	15,311
Prototype instruments	2	2,128		2,128
Computer equipment	3	5,597		3,860
Furniture and fixtures	5	1,927		1,990
Leasehold improvements	Various	19,641		19,347
Construction in progress		7,143		1,233
Total property and equipment, gross		55,503		43,869
Less: Accumulated depreciation and amortization		(28,460)		(23,041)
Total property and equipment, net		$	27,043	$	20,828

Prototype instruments consist of various nCounter, GeoMx DSP and CosMx SMI instruments used in internal testing and other development activities. Depreciation and amortization expense related to property and equipment for the years ended December 31, 2021, 2020 and 2019 totaled approximately $5.9 million, $5.7 million and $4.9 million, respectively.