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Investments (Narrative) (Details) $ in Millions | Mar. 31, 2022 USD ($) | Apr. 21, 2021 CAD ($) shares | Mar. 31, 2021 USD ($) | Mar. 31, 2020 USD ($)
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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 |  |

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