v3.26.3
Schedule of fair value of financial assets (liabilities) measured on recurring basis (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Mar. 31, 2026
Fair Value, Inputs, Level 1 [Member]    
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items]    
Fair Value of Derivative asset (Commodity) $ 144 $ 1
Fair value of Accounts receivable (subject to provisional pricing)
Fair value of SAFEs  
Fair value of Derivative liability (Conversion feature of convertible notes)  
Fair Value, Inputs, Level 2 [Member]    
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items]    
Fair Value of Derivative asset (Commodity)
Fair value of Accounts receivable (subject to provisional pricing) 43 58
Fair value of SAFEs  
Fair value of Derivative liability (Conversion feature of convertible notes)  
Fair Value, Inputs, Level 3 [Member]    
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items]    
Fair Value of Derivative asset (Commodity)
Fair value of Accounts receivable (subject to provisional pricing)
Fair value of SAFEs   (25,210)
Fair value of Derivative liability (Conversion feature of convertible notes)   $ (26,244)