Note 5 - Property and Equipment, Net

12 Months Ended

Dec. 31, 2019

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,
	201 9			201 8
Computer software	$	122		$	124
Computer equipment		144			197
Machinery and equipment		1,878			1,784
Furniture and fixture		78			78
Leasehold improvements		311			326
Equipment held by customers		3,076			2,718
		5,609			5,227
Less: Accumulated depreciation and amortization		(3,948	)		(3,155	)
Add: Construction-in-progress		—			6
	$	1,661		$	2,078

Depreciation expense for the years ended

December 

31,

2019

and

2018,

was approximately

$890,000

and

$934,000,

respectively. Property and equipment include certain equipment that is leased to customers and located at customer premises. The Company retains the ownership of the equipment held for evaluation 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 of

$586,000

and

$499,000

was recorded in cost of revenues during the years ended

December 

31,

2019

and

2018,

respectively. The net book value of this equipment was

$1.2

million and

$1.4

million at

December 

31,

2019

and

2018,

respectively.