Note 5 - Property and Equipment

12 Months Ended

Dec. 31, 2022

Notes to Financial Statements

Property, Plant and Equipment Disclosure [Text Block]

5.    PROPERTY AND EQUIPMENT

Property and equipment are comprised of the following:

	December 31, 2022		January 1, 2022		January 2, 2021
Computers and systems	$	4,077	$	4,133	$	4,686
Equipment and furniture		220		86		264
Leasehold improvements		267		159		236
Laboratory equipment		67		-		-
		4,630		4,378		5,185
Less: accumulated depreciation and amortization		2,532		2,439		3,107
Property and equipment, net	$	2,098	$	1,939	$	2,078

The Company periodically writes off fully depreciated and amortized assets.  The Company wrote off fully depreciated and amortized assets of $901, $1,671 and $1,529 during the fiscal years ended December 31, 2022, January 1, 2022 and January 2, 2021, respectively. In addition, $713 of assets not fully depreciated were included in the sale of the Canadian Power Systems business. For the fiscal years ended December 31, 2022, January 1, 2022 and January 2, 2021, depreciation and amortization expense for property and equipment was $995, $1,007 and $1,065, respectively.