v3.26.1
Note 2 - Acquisition 1 (Details Textual)
$ / shares in Units, $ in Thousands, R$ in Millions
3 Months Ended 12 Months Ended
Dec. 05, 2025
USD ($)
$ / shares
Dec. 05, 2025
BRL (R$)
Aug. 01, 2024
USD ($)
$ / shares
Mar. 31, 2026
USD ($)
Mar. 31, 2026
USD ($)
Mar. 31, 2025
USD ($)
Mar. 31, 2024
USD ($)
Dec. 31, 2025
USD ($)
Dec. 05, 2025
BRL (R$)
Goodwill, Measurement Period Adjustment         $ 2,674        
Cost of Revenue         207,776 $ 160,964 $ 110,356    
Net Income (Loss) Attributable to Parent         133,809 6,033 (11,111)    
Amortization of Intangible Assets         3,000 2,400 2,200    
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings         (4,171) (6,682) (4,922)    
Backlog [Member]                  
Amortization of Intangible Assets         600 700 $ 100    
Comtrafo Industria de Transformadores Eletricos S.A. (Comtrafo) [Member]                  
Business Combination, Contingent Consideration, Range of Outcomes, Maximum, Amount | R$                 R$ 382.5
Business Combination, Consideration Transferred $ 202,900                
Payments to Acquire Businesses, Gross $ 88,300 R$ 300.0              
Business Combination, Price Per Share (in dollars per share) | $ / shares $ 33.01                
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Accounts Receivable       $ 2,400 400        
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Deferred Tax Assets         3,000        
Goodwill, Measurement Period Adjustment       500 125,300        
Business Combination, Acquired Receivable, Purchased without Credit Deterioration, Fair Value $ 6,900                
Business Combination, Acquired Receivable, Purchased without Credit Deterioration, Gross Contractual Amount 10,500                
Business Combination, Acquired Receivable, Purchased without Credit Deterioration, Contractual Cash Flow, Estimated Uncollectible 3,600                
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Inventory 1,500     200          
Cost of Revenue         800        
Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Finite-Lived       10,500 10,500     $ 9,500  
Business Combination, Recognized Asset Acquired, Deferred Tax Asset 1,100     4,100 4,100     4,100  
Revenues         21,900        
Net Income (Loss) Attributable to Parent         (3,200)        
Amortization of Intangible Assets         1,700        
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings         (4,200)        
Comtrafo Industria de Transformadores Eletricos S.A. (Comtrafo) [Member] | Backlog [Member]                  
Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Finite-Lived $ 2,600     2,600 2,600     1,800  
Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life (Month) 16 months 16 months              
Comtrafo Industria de Transformadores Eletricos S.A. (Comtrafo) [Member] | Customer Relationships [Member]                  
Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Finite-Lived $ 7,900     $ 7,900 $ 7,900     $ 7,700  
Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life (Month) 5 years 5 years              
Megatran [Member]                  
Business Combination, Consideration Transferred     $ 61,400            
Payments to Acquire Businesses, Gross     $ 25,000            
Business Combination, Price Per Share (in dollars per share) | $ / shares     $ 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      
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