Property and Equipment, Net

9 Months Ended

Sep. 30, 2023

Property, Plant and Equipment [Abstract]

Property and Equipment, Net

Property and Equipment, Net

Property and equipment, net, consisted of the following (in thousands):

	September 30, 2023		December 31, 2022
Laboratory and clean room equipment	$	17,551	$	16,422
Furniture and equipment	15,255		15,016
Leasehold improvements	9,418		9,190
Construction in progress	1,656		1,983
Asset retirement cost	960		983
Finance lease right-of-use asset	189		189
Property and equipment, gross	45,029		43,783
Less: accumulated depreciation and amortization	(37,935)		(35,927)
Property and equipment, net	$	7,094	$	7,856

Depreciation expense for the three and nine months ended September 30, 2023 and 2022 is summarized in the table below (in thousands):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2023		2022		2023		2022
Depreciation expense	$	653	$	831	$	2,054	$	2,549

Depreciation expense is allocated amongst cost of sales, research and development expense, and selling, general, and administrative expense on the unaudited condensed consolidated statements of operations.