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Significant Accounting Policies - Fair values of financial assets of the Company (Details) - USD ($) | May 31, 2022 | Feb. 28, 2022
--- | --- | ---
Marketable Securities | $ 3,398,931 | $ 5,867,990
Level 1 |  |
Marketable Securities | 3,398,931 | 5,716,338
Level 2 |  |
Marketable Securities |  | 151,652
Level 3 |  |
Marketable Securities |  |

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