Note 5 - Property and Equipment, Net

12 Months Ended

Dec. 31, 2022

Notes to Financial Statements

Property, Plant and Equipment Disclosure [Text Block]

5. Property and Equipment, Net

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

	December 31,
	2022			2021
Equipment held by customers and field sales personnel	$	2,566		$	2,362
Machinery and equipment		1,372			1,391
Computer software		122			122
Computer equipment		200			173
Furniture and fixture		78			78
Leasehold improvements		320			320
Total property and equipment, gross		4,658			4,446
Less: Accumulated depreciation and amortization		(3,956	)		(4,351	)
Total property and equipment, net	$	702		$	95

Depreciation expense for the years ended December 31, 2022 and 2021, was approximately $196,000 and $687,000, respectively.

Property and equipment include certain equipment that is leased to customers and located at customer premises. Also, included is equipment held by the Company’s field sales personnel for use in cases with customers. The Company retains ownership of the equipment held for evaluation by customers and has the right to remove the equipment if it is not being utilized according to expectations. Depreciation expense relating to the leased equipment held by customers and those held by the Company’s field sales personnel of $119,000 and $539,000 was recorded in cost of revenues during the years ended December 31, 2022 and 2021, respectively. The net book value of this equipment was $527,000 and $0 at December 31, 2022 and December 31, 2021, respectively.