Property and equipment

3 Months Ended

Mar. 31, 2022

Property Plant And Equipment [Abstract]

Property and equipment

3.Property and equipment

The components of property and equipment as of March 31, 2022 and December 31, 2021 were as follows (in thousands):

	March 31, 2022			December 31, 2021
Leasehold improvements	$	6,002		$	5,940
Lab equipment		5,996			5,709
Computer equipment		994			994
Furniture and office equipment		636			472
Vehicles		305			305
Asset under construction		22			22
Total, at cost		13,955			13,442
Accumulated depreciation		(7,937	)		(7,262	)
Total, net	$	6,018		$	6,180

Depreciation expense was $676,000 and $741,000 for the three months ended March 31, 2022 and 2021, respectively. Finance leases are also included in property and equipment as vehicles and lab equipment on the condensed consolidated balance sheets.