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Investments (Narrative) (Details)
$ in Millions
Mar. 31, 2022
USD ($)
Apr. 21, 2021
CAD ($)
shares
Mar. 31, 2021
USD ($)
Mar. 31, 2020
USD ($)
Disclosure Of Investments [Line Items]        
Non-material investments in private and public companies | $ $ 17,000,742   $ 981,736 $ 0
Valour Inc [Member] | Share swap transaction [Member]        
Disclosure Of Investments [Line Items]        
Number of common shares received in exchange for common shares of other entity | shares   10,000,000    
Number of shares exchanged in share swap transaction | shares   800,000    
Investment in DeFi | $   $ 16.0