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Note 6 - Intangible Assets

12 Months Ended

Dec. 31, 2022

Notes to Financial Statements

Intangible Assets Disclosure [Text Block]

Note 6 – Intangible Assets

Intangible assets consisted of the following (in thousands):

December 31, 2022
		Cost				Accumulated Amortization				Net
Patents		$	565			$	446			$	119
Certifications			54				54				-
Totals		$	619			$	500			$	119

December 31, 2021
		Cost				Accumulated Amortization				Net
Patents		$	602			$	422			$	180
Certifications			54				51				3
Totals		$	656			$	473			$	183

Amortization expense was $0.1 million in both years ended December 31, 2022 and 2021.

The estimated amortization expense related to intangible assets for each of the five succeeding fiscal years and thereafter as of December 31, 2022 is as follows (in thousands):

Year Ended
2023		$	17
2024			13
2025			13
2026			5
2027			5
Thereafter			66
Total		$	119

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- References

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- Definition

The entire disclosure for all or part of the information related to intangible assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-URI https://asc.fasb.org/subtopic&trid=2144471

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