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Intangible Assets | 12 Months Ended
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Dec. 31, 2023
Goodwill and Intangible Assets Disclosure [Abstract] |
Intangible Assets | Note 6 – Intangible Assets Intangible assets consisted of the following (in thousands): Schedule of Finite Lived Intangible Assets December 31, 2023
|  | Cost |  |  | Accumulated Amortization |  |  | Net |
Patents |  | $ | 87 |  |  | $ | 78 |  |  | $ | 9 |
December 31, 2022
|  | Cost |  |  | Accumulated Amortization |  |  | Net |
Patents |  | $ | 565 |  |  | $ | 446 |  |  | $ | 119 |
Amortization expense was $0.1 million and $0.1 million in years ended December 31, 2023 and 2022, respectively, including costs of abandoned patent applications. The estimated amortization expense related to intangible assets for each of the five succeeding fiscal years and thereafter as of December 31, 2023 is approximately $1,000 per year.

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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 -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//350-30/tableOfContent + Details
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