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Note 5 - Goodwill and Other Intangible Assets (Tables) | 12 Months Ended
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Dec. 31, 2023
Notes Tables |
Schedule of Goodwill [Table Text Block] |
|  | Total |  |  | Power Solutions & Protection |  |  | Connectivity Solutions |  |  | Magnetic Solutions |
Balance at January 1, 2023: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill, gross |  | $ | 25,099 |  |  | $ | 18,152 |  |  | $ | 6,947 |  |  | $ | - |
Goodwill, net |  | $ | 25,099 |  |  | $ | 18,152 |  |  | $ | 6,947 |  |  | $ | - |
Foreign currency translation |  |  | 1,543 |  |  |  | 471 |  |  |  | 1,072 |  |  |  | - |
Balance at December 31, 2023: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill, gross |  | $ | 26,642 |  |  | $ | 18,623 |  |  | $ | 8,019 |  |  | $ | - |
Goodwill, net |  | $ | 26,642 |  |  | $ | 18,623 |  |  | $ | 8,019 |  |  | $ | - |
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 |
Power Europe |  | 89.1% |
Connectivity Europe |  | 79.9% |
EOS |  | 71.2% |
CUI |  | 169.4% |
Schedule of Finite Lived and Indefinite Lived Intangible Assets [Table Text Block] |
|  | December 31, 2023 |  |  | December 31, 2022 |
|  | Gross Carrying |  |  | Accumulated |  |  | Net Carrying |  |  | Gross Carrying |  |  | Accumulated |  |  | Net Carrying |
|  | Amount |  |  | Amortization |  |  | Amount |  |  | Amount |  |  | Amortization |  |  | Amount |
Patents, licenses and technology |  | $ | 19,176 |  |  | $ | 11,386 |  |  | $ | 7,790 |  |  | $ | 38,607 |  |  | $ | 30,156 |  |  | $ | 8,451 |
Customer relationships |  |  | 56,711 |  |  |  | 32,099 |  |  |  | 24,612 |  |  |  | 56,917 |  |  |  | 28,096 |  |  |  | 28,821 |
Non-compete agreements |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 2,662 |  |  |  | 2,662 |  |  |  | - |
Trademarks (indefinite-lived) |  |  | 17,148 |  |  |  | 159 |  |  |  | 16,989 |  |  |  | 16,999 |  |  |  | 160 |  |  |  | 16,839 |
|  | $ | 93,035 |  |  | $ | 43,644 |  |  | $ | 49,391 |  |  | $ | 115,185 |  |  | $ | 61,074 |  |  | $ | 54,111 |
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] |
December 31, |  | Amortization Expense |
2024 |  | $ | 4,563 |
2025 |  |  | 4,551 |
2026 |  |  | 4,551 |
2027 |  |  | 4,551 |
2028 |  |  | 4,551 |

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