v3.26.3
Asset Acquisitions (Narrative) (Details) - USD ($)
$ in Thousands, shares in Millions
 6 Months Ended
Sep. 24, 2026
May 15, 2026
Jan. 30, 2026
Sep. 15, 2025
Mar. 31, 2025
Mar. 17, 2025
Sep. 30, 2026
Real Property - New Brunswick [Member]              
Asset Acquisition [Line Items]              
Cash paid             $ 1,708
Cash consideration including transaction expenses $ 1,700            
Acquisition costs   $ 17         17
Real property - Ontario [Member]              
Asset Acquisition [Line Items]              
Cash paid     $ 19,547       4,354
Cash consideration including transaction expenses   5,000 21,600        
Mortgage issued to acquire productive assets   4,400 14,747       4,363
Acquisition costs   $ 600 $ 2,026       $ 618
Megawatt Mining Corp [Member]              
Asset Acquisition [Line Items]              
Cash paid       $ 8,692      
Cash consideration including transaction expenses       $ 9,200      
Shares issued       1      
Acquisition costs       $ 556      
Zunz S.A. [Member]              
Asset Acquisition [Line Items]              
Cash paid         $ 25,000 $ 25,000  
Acquisition loan payable         31,000 31,000  
Acquisition costs         692 $ 692  
Acquisition loan payable outstanding         $ 31,000