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Note 2 - Acquisition - Schedule of Business Acquisitions (Details) (Parentheticals) - shares | Dec. 05, 2025 | Aug. 01, 2024
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Comtrafo Industria de Transformadores Eletricos S.A. (Comtrafo) [Member] |  |
Business Combination, Share Issued (in shares) | 2,417,142 |
NWL Pacific Inc. Co., LTD [Member] |  |
Business Combination, Share Issued (in shares) |  | 1,297,600

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