Property and Equipment

9 Months Ended

Sep. 30, 2023

Property, Plant and Equipment [Abstract]

Property and Equipment

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):

	September 30, 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
Projects in progress	27		—
Property and equipment at cost	1,419		1,392
Less: accumulated depreciation	(1,340)		(1,316)
Property and equipment, net	$	79	$	76

Depreciation expense was $8 thousand and $42 thousand for the three months ended September 30, 2023 and 2022, respectively. For the nine months ended September 30, 2023 and 2022, depreciation expense was $24 thousand and $129 thousand, respectively.