| Goodwill and Intangible Assets Disclosure [Text Block] |
| | | | NOTE 3 — INTANGIBLE ASSETS, NET AND GOODWILL |
Intangible assets, net consisted of the following:
| | | | | | | | | | | | | | | | | | | | | | | | (in thousands) | | September 30, 2022 | | December 31, 2021 | | September 30, 2021 | | Intangible assets with definite lives: | | | | | | | | Patents and purchased technology | | $ | 14,198 | | | $ | 14,198 | | | $ | 14,198 | | | Customer relationships | | 23,000 | | | 23,000 | | | 23,000 | | | Gross carrying amount | | 37,198 | | | 37,198 | | | 37,198 | | | Accumulated amortization: | | | | | | | | Patents and purchased technology | | (14,198) | | | (14,198) | | | (14,198) | | | Customer relationships | | (20,249) | | | (19,013) | | | (18,600) | | | Accumulated amortization | | (34,447) | | | (33,211) | | | (32,798) | | | Net carrying amount | | 2,751 | | | 3,987 | | | 4,400 | | | Intangible assets with indefinite lives | | 97,921 | | | 97,921 | | | 97,921 | | | Intangible assets, net | | $ | 100,672 | | | $ | 101,908 | | | $ | 102,321 | |
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