Property, Plant and Equipment (Tables)

3 Months Ended

Mar. 31, 2022

Property, Plant and Equipment [Abstract]

Schedule of Property, Plant and Equipment

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

	March 31,			December 31,
	2022			2021
Computer equipment	$	1,807		$	1,572
Lab equipment		3,084			2,760
Leasehold improvements		2,497			1,330
Construction in progress		1,414			980
Testing equipment		602			521
Manufacturing equipment		667			374
Furniture, fixtures and other equipment		453			439
Total property, plant and equipment	$	10,524		$	7,976
Less: accumulated depreciation	$	(3,245	)		(2,840	)
Total property, plant and equipment, net	$	7,279		$	5,136