Property, Plant, and Equipment (Tables)

12 Months Ended

Dec. 31, 2021

Property, Plant and Equipment [Abstract]

Summary of property, plant and equipment

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

	Estimated Useful Life (Years)	December 31,
		2021		2020
Land	N/A	$	1,340	$	1,340
Buildings and land improvements	15-39	2,451		2,486
Manufacturing equipment	7	13,924		13,261
Furniture, fixtures and equipment	5-7	476		443
Vehicles	5	161		140
Hardware and software	3-5	1,683		887
Assets in progress	NA	1,880		—
Total		21,915		18,557
Less: accumulated depreciation		(11,223)		(8,783)
Property, plant and equipment, net		$	10,692	$	9,774