Property, Plant, and Equipment (Tables)

3 Months Ended

Mar. 31, 2022

Property, Plant and Equipment [Abstract]

Summary of Property, Plant, and Equipment

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

	March 31,			December 31,
	2022			2021
Building	$	207		$	211
Leasehold improvements		98			89
Equipment and computers		8,202			8,150
Furniture and fixtures		475			471
Construction in progress		268			31
Total		9,250			8,952
Accumulated depreciation and amortization		(8,167	)		(8,049	)
Property, plant, and equipment, net before land		1,083			903
Land		161			164
Property, plant, and equipment, net	$	1,244		$	1,067