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Intangible Assets, Net | 12 Months Ended
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Dec. 31, 2021
Goodwill And Intangible Assets Disclosure [Abstract] |
Intangible Assets, Net | Note 6 — Intangible Assets, Net Intangible assets, net consisted of the following (in thousands):
|  | 2021 |  |  | 2020 |
Long-lived amortized intangible assets |  | Gross Carrying Amount |  |  | Accumulated Amortization |  |  | Net |  |  | Gross Carrying Amount |  |  | Accumulated Amortization |  |  | Net |
Patents and licenses |  | $ | 9,315 |  |  | $ | (9,097 | ) |  | $ | 218 |  |  | $ | 9,382 |  |  | $ | (9,112 | ) |  | $ | 270 |
Amortization expense for intangible assets were as follows (in thousands):
|  | Years Ended |
|  | 2021 |  |  | 2020 |  |  | 2019 |
Amortization expense |  | $ | 34 |  |  | $ | 35 |  |  | $ | 34 |
Note 6 — Intangible Assets, Net (Continued) Future amortization of intangible assets is as follows (in thousands):
Year Ended |  | Amount |
2022 |  | $ | 32 |
2023 |  |  | 32 |
2024 |  |  | 32 |
2025 |  |  | 32 |
2026 |  |  | 32 |
Thereafter |  |  | 58 |
Total |  | $ | 218 |

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- Definition The entire disclosure for all or part of the information related to intangible assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -URI http://asc.fasb.org/topic&trid=2144416 + Details
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