Goodwill and Intangible Assets

12 Months Ended

Dec. 31, 2022

Note 6 – Goodwill and Intangible Assets

Intangible assets, excluding goodwill, consist of the following (in thousands):


	December 31, 2022							December 31, 2021
	Cost		Accumulated Amortization			Net Carrying Value		Cost		Accumulated Amortization			Net Carrying Value
Intangible assets subject to amortization
Patents	$	1,880	$	(647	)	$	1,233	$	1,755	$	(566	)	$	1,189
Purchased technology		16,900		(8,450	)		8,450		16,900		(6,572	)		10,328
Intangible assets not subject to amortization
Trademarks		114		—			114		100		—			100
Total	$	18,894	$	(9,097	)	$	9,797	$	18,755	$	(7,138	)	$	11,617

Amortization expense related to definite-lived intangible assets was (in thousands):


	Year Ended December 31,
	2022		2021
Direct costs and expenses	$	2	$	5
Sales, marketing, general and administrative		1,973		1,945
Total	$	1,975	$	1,950

Future estimated amortization expense of intangible assets is (in thousands):