Note 4 - Intangible Assets

12 Months Ended

Dec. 31, 2021

Notes to Financial Statements

Intangible Assets Disclosure [Text Block]

Note 4 – Intangible Assets

The components of our intangible assets as of December 31, 2021 and 2020 are as follows (in thousands):

	December 31,
	2021			2020
Customer relationships	$	626		$	626
Patents and trademarks		441			441
Total intangible assets		1,067			1,067
Accumulated amortization		(668	)		(450	)
Net carrying value	$	399		$	617

The useful lives of our intangible assets are estimated to be five years. Amortization expense for intangible assets for the years ended December 31, 2021 and 2020 was $218,000 and $211,000, respectively. 

The following table represents the amortization expense for the next five years (in thousands):

	2022		2023		2024		2025		2026
Customer relationships	$	125	$	104	$	-	$	-	$	-
Patents and trademarks		93		77		-		-		-
Total intangible asset amortization expense	$	218	$	181	$	-	$	-	$	-