Property and Equipment

12 Months Ended

Dec. 31, 2021

Property and Equipment

Property and Equipment

(4) Property and Equipment

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

		December 31,
Asset description	Estimated useful lives	2021		2020
Lab equipment	5 Years	$	2,352	$	2,304
Furniture and fixtures	5 Years		242		118
Computer equipment and software	3 Years		468		577
Leasehold improvements	Lesser of useful life or lease term		1,881		1,360
Total			4,943		4,359
Less accumulated depreciation and amortization			(3,757)		(3,733)
Property and equipment, net		$	1,186	$	626

The cost of property and equipment at both December 31, 2021 and 2020 includes $0.2 million of equipment located at Aroa. Depreciation expense was $0.2 million, $0.2 million and $0.3 million for the years ended December 31, 2021, 2020 and 2019, respectively.