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v3.25.4

Note 2 - Acquisition (Details Textual) - USD ($) $ / shares in Units, $ in Thousands |  |  | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | ---
Dec. 05, 2025 | Aug. 01, 2024 | Dec. 31, 2025 | Sep. 30, 2025 | Jun. 30, 2025 | Dec. 31, 2024 | Sep. 30, 2024 | Jun. 30, 2024 | Dec. 31, 2025 | Dec. 31, 2024 | Mar. 31, 2025
Cost of Revenue |  |  | $ 51,677 |  |  | $ 45,077 |  |  | $ 144,970 | $ 112,000 |
Net Income (Loss) Attributable to Parent |  |  | 117,806 | $ 4,750 | $ 6,724 | 2,465 | $ 4,887 | $ (2,524) | 129,280 | 4,828 |
Backlog [Member] |  |  |  |  |  |  |  |  |  |  |
Amortization of Intangible Assets |  |  | 100 |  |  | $ 300 |  |  | 100 | $ 400 |
Comtrafo Industria de Transformadores Eletricos S.A. (Comtrafo) [Member] |  |  |  |  |  |  |  |  |  |  |
Business Combination, Consideration Transferred | $ 202,700 |  |  |  |  |  |  |  |  |  |
Payments to Acquire Businesses, Gross | $ 88,300 |  |  |  |  |  |  |  |  |  |
Business Combination, Price Per Share (in dollars per share) | $ 32.47 |  |  |  |  |  |  |  |  |  |
Business Combination, Acquired Receivable, Purchased without Credit Deterioration, Fair Value | $ 4,100 |  |  |  |  |  |  |  |  |  |
Business Combination, Acquired Receivable, Purchased without Credit Deterioration, Gross Contractual Amount | 8,500 |  |  |  |  |  |  |  |  |  |
Business Combination, Acquired Receivable, Purchased without Credit Deterioration, Contractual Cash Flow, Estimated Uncollectible | 4,400 |  |  |  |  |  |  |  |  |  |
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Inventory | 1,500 |  |  |  |  |  |  |  |  |  |
Cost of Revenue |  |  | 400 |  |  |  |  |  | 400 |  |
Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Finite-Lived | 9,500 |  |  |  |  |  |  |  |  |  |
Business Combination, Recognized Asset Acquired, Deferred Tax Asset | 4,100 |  |  |  |  |  |  |  |  |  |
Revenues |  |  | 4,600 |  |  |  |  |  | 4,600 |  |
Net Income (Loss) Attributable to Parent |  |  | 900 |  |  |  |  |  | 900 |  |
Amortization of Intangible Assets |  |  | 200 |  |  |  |  |  |  |  |
Comtrafo Industria de Transformadores Eletricos S.A. (Comtrafo) [Member] | Backlog [Member] |  |  |  |  |  |  |  |  |  |  |
Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Finite-Lived | $ 1,800 |  |  |  |  |  |  |  |  |  |
Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life (Month) | 16 months |  |  |  |  |  |  |  |  |  |
Comtrafo Industria de Transformadores Eletricos S.A. (Comtrafo) [Member] | Customer Relationships [Member] |  |  |  |  |  |  |  |  |  |  |
Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Finite-Lived | $ 7,700 |  |  |  |  |  |  |  |  |  |
Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life (Month) | 5 years |  |  |  |  |  |  |  |  |  |
Comtrafo Industria de Transformadores Eletricos S.A. (Comtrafo) [Member] | Selling, General and Administrative Expenses [Member] |  |  |  |  |  |  |  |  |  |  |
Business Combination, Acquisition-Related Cost, Expense |  |  | 1,200 |  |  |  |  |  | 1,200 |  |
Comtrafo Industria de Transformadores Eletricos S.A. (Comtrafo) [Member] | Cost of Sales [Member] |  |  |  |  |  |  |  |  |  |  |
Business Combination, Acquisition-Related Cost, Expense |  |  | 100 |  |  |  |  |  | 100 |  |
Megatran [Member] |  |  |  |  |  |  |  |  |  |  |
Business Combination, Consideration Transferred |  | $ 61,400 |  |  |  |  |  |  |  |  |
Payments to Acquire Businesses, Gross |  | $ 30,000 |  |  |  |  |  |  |  |  |
Business Combination, Price Per Share (in dollars per share) |  | $ 24.16 |  |  |  |  |  |  |  |  |
Business Combination, Acquired Receivable, Purchased without Credit Deterioration, Fair Value |  | $ 16,100 |  |  |  |  |  |  |  |  |
Business Combination, Acquired Receivable, Purchased without Credit Deterioration, Gross Contractual Amount |  | 16,900 |  |  |  |  |  |  |  |  |
Business Combination, Acquired Receivable, Purchased without Credit Deterioration, Contractual Cash Flow, Estimated Uncollectible |  | 800 |  |  |  |  |  |  |  |  |
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Inventory |  | 700 |  |  |  |  |  |  |  |  |
Cost of Revenue |  |  |  |  |  |  |  |  |  |  | $ 700
Revenues |  |  | 14,100 |  |  |  |  |  | 48,300 |  |
Net Income (Loss) Attributable to Parent |  |  | 600 |  |  |  |  |  | 3,900 |  |
Amortization of Intangible Assets |  |  | $ 100 |  |  |  |  |  | $ 100 |  |
Megatran [Member] | Backlog [Member] |  |  |  |  |  |  |  |  |  |  |
Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Finite-Lived |  | $ 700 |  |  |  |  |  |  |  |  |
Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life (Month) |  | 8 months |  |  |  |  |  |  |  |  |
Megatran [Member] | Customer Relationships [Member] |  |  |  |  |  |  |  |  |  |  |
Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Finite-Lived |  | $ 1,300 |  |  |  |  |  |  |  |  |
Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life (Month) |  | 10 years |  |  |  |  |  |  |  |  |
Megatran [Member] | Selling, General and Administrative Expenses [Member] |  |  |  |  |  |  |  |  |  |  |
Business Combination, Acquisition-Related Cost, Expense |  |  |  |  |  |  |  |  |  |  | $ 1,100

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