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Subsequent Events (Narrative) (Details)
$ in Millions
May 10, 2021
USD ($)
Apr. 21, 2021
CAD ($)
shares
Apr. 15, 2021
CAD ($)
Share
shares
Apr. 15, 2021
USD ($)
Share
shares
Subsequent event - Acquisition of GPU Atlantic Inc [Member]        
Disclosure of non-adjusting events after reporting period [line items]        
Percentage of voting equity interests acquired     100.00% 100.00%
Number of instruments or interests issued or issuable | Share     5,000,000 5,000,000
Shares issued     $ 23.7 $ 18,694,219
Common shares allocated to holdback     1,000,000 1,000,000
Subsequent event - Sale of Norwegian Subsidiary Kolos [Member]        
Disclosure of non-adjusting events after reporting period [line items]        
Payments for sale of subsidiary to municipality of Narvik | $ $ 200,000      
Subsequent event - Investment in DeFi [Member]        
Disclosure of non-adjusting events after reporting period [line items]        
Number of common shares received in exchange for common shares of other entity   10,000,000    
Number of shares exchanged in share swap transaction   4,000,000    
Investment in DeFi | $   $ 16.0