Note 4 - Intangible Assets

3 Months Ended

Mar. 31, 2021

Notes to Financial Statements

Intangible Assets Disclosure [Text Block]

Note 

4

 – Intangible Assets 

The components of our intangible assets as of

March 31, 2021,

and

December 31, 2020,

are as follows (in thousands):

	March 31, 2021			December 31, 2020
Customer relationships	$	626		$	626
Patents and trademarks		441			441
Total intangible assets		1,067			1,067
Accumulated amortization		(504	)		(450	)
Net carrying value	$	563		$	617

The useful lives of our intangible assets are estimated to be

five

 years. For the

three

months ended

March 31, 2021

and

2020,

amortization expense was approximately

$54,000

and 

$51,000,

respectively. 

The following table represents the amortization expense for the next

five

years for the

twelve

months ending

March 31 (

in thousands): 

	2022		2023		2024		2025		2026
Customer relationships	$	125	$	125	$	73	$	-	$	-
Patents and trademarks		93		93		54		-		-
Total intangible asset amortization expense	$	218	$	218	$	127	$	-	$	-