v3.26.1
Contingent assets and liabilities (Details)
Jun. 30, 2026
USD ($)
$ / $
Payment
Contingent liabilities [Abstract]  
Contingent liabilities $ 0
Rhyolite Ridge [Member] | Boundary Peak Minerals LLC [Member]  
Contingent liabilities [Abstract]  
Number of progress payments made | Payment 4
Contingent liability settlement payable amount $ 3,000,000
Exchange rate | $ / $ 0.75