The components of property and equipment were as follows as of December 31, 2021 and 2020:
(in thousands)
2021
2020
Leasehold improvements
$
5,940
5,655
Lab equipment
5,709
4,833
Computer equipment
994
942
Furniture and office equipment
472
459
Vehicles
305
296
Asset under construction
22
65
Total, at cost
13,442
12,250
Accumulated depreciation
(7,262
)
(4,243
Total, net
6,180
8,007