Property, plant and equipment, net

12 Months Ended

Dec. 31, 2021

Property, plant and equipment, net

Property, plant and equipment, net

5. Property, plant and equipment, net

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

	December 31,		December 31,
	2021		2020
Land	$	2,072	$	—
Leasehold improvements		3,348		3,322
Construction in progress		7,746		28
Laboratory equipment		7,025		5,982
Furniture and fixtures		651		430
Computer equipment and software		1,876		1,554
Property and equipment, gross		22,718		11,316
Less: Accumulated depreciation		(6,366)		(5,097)
Property and equipment, net	$	16,352	$	6,219

Depreciation expense for the years ended December 31, 2021, 2020 and 2019 was $2.1 million, $1.7 million and $1.1 million, respectively. Construction-in-progress as of December 31, 2021 related to investments in connection with the Company’s GMP manufacturing facility project. Construction-in-progress as of December 31, 2020 related to implementation costs for a cloud computing arrangement which is a service contract.