Note 3 - Other Intangible Assets

12 Months Ended

Dec. 31, 2023

Notes to Financial Statements

Goodwill and Intangible Assets Disclosure [Text Block]

NOTE 3. OTHER INTANGIBLE ASSETS

Finite life intangible assets as of December 31, 2023 and 2022 are as follows:

	Customer Relationships		Patents		Total
Balance as of January 1, 2022	$	360	$	141	$	501
Additions		-		71		71
Amortization		144		6		150
Balance as of December 31, 2022	$	216	$	206	$	422
Additions		-		-		-
Amortization		144		15		159
Balance as of December 31, 2023	$	72	$	191	$	263

Intangible assets are amortized on a straight-line basis over their estimated useful lives. The weighted average remaining amortization period of our intangible assets is 3.2 years. Of the patents value as of December 31, 2023, $80 are being amortized and $111 are in process and a patent has not yet been issued.

Amortization expense of finite life intangible assets was $159 and $150 for the years ended December 31, 2023 and 2022, respectively.

Estimated future annual amortization expense (except projects in process) related to these assets is approximately as follows:

Year	Amount
2024	$	87
2025		14
2026		14
2027		14
Thereafter		23
Total	$	152