Note 3 - Acquisition - Schedule of Pro Forma Information (Details) - Enercon Technologies, Ltd [Member] - USD ($) $ / shares in Units, $ in Thousands |
3 Months Ended | 6 Months Ended |
|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
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| Revenue, net | $ 162,681 | $ 321,486 |
| Net earnings | 21,314 | 39,358 |
| Less: Net earnings attributable to non-controlling interest | 1,157 | 2,247 |
| Net earnings attributable to Bel Fuse shareholders | $ 20,157 | $ 37,111 |
| Common Class A [Member] | ||
| Earnings per common share - basic and diluted (in dollars per share) | $ 1.53 | $ 2.8 |
| Common Class B [Member] | ||
| Earnings per common share - basic and diluted (in dollars per share) | $ 1.61 | $ 2.95 |
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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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