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Goodwill and Other Intangible Assets (Tables) | 12 Months Ended
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Dec. 31, 2024
Goodwill and Other Intangible Assets [Abstract] |
Goodwill Rollforward | The changes in the carrying amount of goodwill by segment for the years ended December 31, 2024 and 2023 were as follows:
|  | MOSFETs |  |  | Optoelectronic Components |  |  | Resistors |  |  | Inductors |  |  | Capacitors |  |  | Total |
Balance at December 31, 2022 |  | $ | 36,885 |  |  | $ | 96,849 |  |  | $ | 41,883 |  |  | $ | 25,815 |  |  | $ | - |  |  | $ | 201,432 |
Centerline acquisition |  |  | - |  |  |  | - |  |  |  | 2,213 |  |  |  | - |  |  |  | - |  |  |  | 2,213 |
Purchase price allocation adjustment |  |  | (2,639 | ) |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | (2,639 | )
Exchange rate effects |  |  | - |  |  |  | - |  |  |  | 410 |  |  |  | - |  |  |  | - |  |  |  | 410 |
Balance at December 31, 2023 |  | $ | 34,246 |  |  | $ | 96,849 |  |  | $ | 44,506 |  |  | $ | 25,815 |  |  | $ | - |  |  | $ | 201,416 |
Newport acquisition |  |  | 32,241 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 32,241 |
Ametherm acquisition |  |  | - |  |  |  | - |  |  |  | 11,685 |  |  |  | - |  |  |  | - |  |  |  | 11,685 |
Birkelbach acquisition |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 777 |  |  |  | 777 |
Impairment of goodwill |  |  | (66,487 | ) |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | (66,487 | )
Exchange rate effects |  |  | - |  |  |  | - |  |  |  | (627 | ) |  |  | - |  |  |  | - |  |  |  | (627 | )
Balance at December 31, 2024 |  | $ | - |  |  | $ | 96,849 |  |  | $ | 55,564 |  |  | $ | 25,815 |  |  | $ | 777 |  |  | $ | 179,005 |
Other Intangible Assets | Other intangible assets are as follows:
|  | December 31, 2024 |  |  | December 31, 2023 |
Intangible assets subject to amortization: |  |  |  |  |  |
Patents and acquired technology |  | $ | 23,160 |  |  | $ | 26,053 |
Capitalized software |  |  | 62,158 |  |  |  | 62,360 |
Customer relationships |  |  | 103,813 |  |  |  | 83,895 |
Tradenames |  |  | 23,216 |  |  |  | 22,300 |
Other |  |  | - |  |  |  | 400 |
|  |  | 212,347 |  |  |  | 195,008 |
Accumulated amortization: |  |  |  |  |  |  |  |
Patents and acquired technology |  |  | (7,316 | ) |  |  | (14,931 | )
Capitalized software |  |  | (55,476 | ) |  |  | (54,203 | )
Customer relationships |  |  | (45,053 | ) |  |  | (38,664 | )
Tradenames |  |  | (17,279 | ) |  |  | (14,610 | )
Other |  |  | - |  |  |  | (267 | )
|  |  | (125,124 | ) |  |  | (122,675 | )
Net intangible assets subject to amortization |  | $ | 87,223 |  |  | $ | 72,333 |
Estimated Annual Amortization Expense for Each of the Next Five Years | Estimated annual amortization expense of intangible assets on the balance sheet at December 31, 2024 for each of the next five years is as follows:
2025 |  | $ | 13,074 |
2026 |  |  | 12,267 |
2027 |  |  | 9,319 |
2028 |  |  | 8,346 |
2029 |  |  | 8,121 |

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