Note 3 - Acquisition - Schedule of Pro Forma Information (Details) - Enercon Technologies, Ltd [Member] - USD ($) $ / shares in Units, $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2024 |
Dec. 31, 2023 |
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| Revenue, net | $ 632,130 | $ 735,522 |
| Net earnings | 56,154 | 56,448 |
| Less: Net earnings attributable to non-controlling interest | 4,131 | 1,176 |
| Net earnings attributable to Bel Fuse | $ 52,023 | $ 55,272 |
| Common Class A [Member] | ||
| Earnings per common share - basic and diluted (in dollars per share) | $ 3.94 | $ 4.13 |
| Common Class B [Member] | ||
| Earnings per common share - basic and diluted (in dollars per share) | $ 4.16 | $ 4.37 |
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- Definition The pro forma net Income or Loss attributable to noncontrolling interests for the period as if the business combination or combinations had been completed at the beginning of a period. No definition available.
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- Definition The pro forma net Income or Loss including noncontrolling interests for the period as if the business combination or combinations had been completed at the beginning of a period. No definition available.
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- Definition Per basic share amount, after tax, of pro forma income (loss) of combined entity as if acquisition date of business combination occurred as of beginning of period. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount, after tax, of pro forma income (loss) of combined entity as if acquisition date of business combination occurred as of beginning of period. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of pro forma revenue of combined entity as if acquisition date of business combination occurred as of beginning of period. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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