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Note 4 - Goodwill and Other Intangible Assets (Tables) | 12 Months Ended
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Dec. 31, 2022
Notes Tables |
Schedule of Goodwill [Table Text Block] |
|  | Total |  |  | Connectivity Solutions |  |  | Power Solutions & Protection |  |  | Magnetic Solutions |
Balance at January 1, 2022: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill, gross |  | $ | 26,651 |  |  | $ | 7,735 |  |  | $ | 18,916 |  |  | $ | - |
Goodwill, net |  | $ | 26,651 |  |  | $ | 7,735 |  |  | $ | 18,916 |  |  | $ | - |
Goodwill allocation related to acquisition |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
Foreign currency translation |  |  | (1,552 | ) |  |  | (788 | ) |  |  | (764 | ) |  |  | - |
Balance at December 31, 2022: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill, gross |  | $ | 25,099 |  |  | $ | 6,947 |  |  | $ | 18,152 |  |  | $ | - |
Goodwill, net |  | $ | 25,099 |  |  | $ | 6,947 |  |  | $ | 18,152 |  |  | $ | - |
Schedule of Excess of Estimated Fair Values Over Carrying Value, Including Goodwill [Table Text Block] |
Reporting Unit |  | % by Which Estimated Fair Value Exceeds Carrying Value |
Connectivity Europe |  | 69.0 | %
Power Europe |  | 84.4 | %
CUI |  | 172.9 | %
Schedule of Finite-Lived Intangible Assets [Table Text Block] |
|  | December 31, 2022 |  |  | December 31, 2021 |
|  | Gross Carrying |  |  | Accumulated |  |  | Net Carrying |  |  | Gross Carrying |  |  | Accumulated |  |  | Net Carrying |
|  | Amount |  |  | Amortization |  |  | Amount |  |  | Amount |  |  | Amortization |  |  | Amount |
Patents, licenses and technology |  | $ | 38,607 |  |  | $ | 30,156 |  |  | $ | 8,451 |  |  | $ | 38,957 |  |  | $ | 28,353 |  |  | $ | 10,604 |
Customer relationships |  |  | 56,917 |  |  |  | 28,096 |  |  |  | 28,821 |  |  |  | 58,008 |  |  |  | 24,766 |  |  |  | 33,242 |
Non-compete agreements |  |  | 2,662 |  |  |  | 2,662 |  |  |  | - |  |  |  | 2,711 |  |  |  | 2,711 |  |  |  | - |
Trademarks |  |  | 16,999 |  |  |  | 160 |  |  |  | 16,839 |  |  |  | 17,189 |  |  |  | 40 |  |  |  | 17,149 |
|  | $ | 115,185 |  |  | $ | 61,074 |  |  | $ | 54,111 |  |  | $ | 116,865 |  |  | $ | 55,870 |  |  | $ | 60,995 |
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] |
December 31, |  | Amortization Expense |
2023 |  | $ | 4,637 |
2024 |  |  | 4,557 |
2025 |  |  | 4,557 |
2026 |  |  | 4,432 |
2027 |  |  | 4,432 |

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