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Pilot Plant (Details) - CAD ($)
 3 Months Ended 6 Months Ended 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2021
Dec. 31, 2020
Jun. 30, 2021
Jun. 30, 2020
Pilot Plant            
Balance     $ 12,338,741 $ 22,377,444 $ 22,377,444
Costs transferred from asset under construction         2,764,138 25,964,026
Decommissioning provision         11,360,466 136,280
Amortisation $ (3,729,731) $ (3,290,116) (7,342,858) $ (4,724,990) (1,442,375) (3,722,862)
Decommissioning provision         (11,360,466) (136,280)
Additions     955,909      
Effect of movement in foreign exchange rates     237,863      
Balance $ 6,189,655   $ 6,189,655   $ 12,338,741 $ 22,377,444