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Sales Tax Tax Credits and Other Receivables (Details) - USD ($) | Nov. 30, 2021 | Feb. 28, 2021
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Sales Tax Tax Credits and Other Receivables |  |
Sales tax | $ 502,180 | $ 1,155,504
Research and development tax credits | 208,256 | 435,467
Other receivables | 114,948 | 172,864
Sales tax, research and development tax credits and other receivables | $ 825,384 | $ 1,763,835

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