Property and Equipment (Tables)

3 Months Ended

Mar. 31, 2023

Property, Plant and Equipment [Abstract]

Schedule of Property and Equipment

Property and equipment are stated at cost and depreciated using the straight-line method over the estimated useful lives of the related assets and consist of the following (in thousands):

	March 31, 2023		December 31, 2022
Equipment (useful life 3 to 15 years)	$	1,061	$	1,061
Tooling (useful life 2 to 5 years)	190		190
Leasehold improvements (the shorter of useful life or lease life)	141		141
Property and equipment at cost	1,392		1,392
Less: accumulated depreciation	(1,324)		(1,316)
Property and equipment, net	$	68	$	76