v3.26.3
Note 2 - Acquisition 1 (Details Textual)
$ / shares in Units, $ in Thousands, R$ in Millions
3 Months Ended 6 Months Ended 9 Months Ended 12 Months Ended
Dec. 05, 2025
USD ($)
$ / shares
Sep. 30, 2026
USD ($)
Jun. 30, 2026
USD ($)
Sep. 30, 2025
USD ($)
Jun. 30, 2025
USD ($)
Sep. 30, 2026
USD ($)
Sep. 30, 2025
USD ($)
Sep. 30, 2026
USD ($)
Sep. 30, 2025
USD ($)
Mar. 31, 2026
USD ($)
Dec. 31, 2025
USD ($)
Dec. 05, 2025
BRL (R$)
Cost of Revenue   $ 67,508   $ 45,423   $ 136,855 $ 93,292          
Net Income (Loss) Attributable to Parent   2,999 $ 9,490 4,750 $ 6,724 12,489 11,474 $ 12,489 $ 11,474      
Backlog [Member]                        
Intangible Asset, Finite-Lived, Amortization Expense   500   $ 0   1,000 $ 0          
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                      
Business Combination, Price Per Share (in dollars per share) | $ / shares $ 33.01                      
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                      
Cost of Revenue   700               $ 800    
Business Combination, Recognized Liability Assumed, Long-Term Debt, Current                   $ 8,800    
Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Finite-Lived                     $ 10,500  
Business Combination, Recognized Asset Acquired, Deferred Tax Asset   4,100       4,100   $ 4,100     4,100  
Revenues   18,500       38,000            
Net Income (Loss) Attributable to Parent   2,600       11,600            
Intangible Asset, Finite-Lived, Amortization Expense   $ 700       $ 1,300            
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  
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 $ 7,900                   $ 7,900  
Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life (Month) 5 years