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RESTATEMENT OF PREVIOUSLY ISSUED FINANCIAL STATEMENTS (Details) - USD ($) | May 31, 2021 | Feb. 28, 2021 | Nov. 30, 2020 | Aug. 31, 2020 | May 31, 2020 | May 31, 2019
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Revision of Prior Period, Adjustment [Member] |  |  |  |  |  |
RESTATEMENT OF PREVIOUSLY ISSUED FINANCIAL STATEMENTS (Details) [Line Items] |  |  |  |  |  |
Retained Earnings (Accumulated Deficit) | $ (2,151,567) | $ (1,935,493) | $ (1,650,262) | $ (1,417,328) | $ (1,174,349) | $ (836,232)
Additional Paid in Capital | 2,151,567 | 1,935,493 | 1,650,262 | 1,417,328 | 1,174,349 | 836,232
Previously Reported [Member] |  |  |  |  |  |
RESTATEMENT OF PREVIOUSLY ISSUED FINANCIAL STATEMENTS (Details) [Line Items] |  |  |  |  |  |
Retained Earnings (Accumulated Deficit) | (28,394,768) | (26,899,621) | (25,060,311) | (23,575,147) | (21,925,732) | (19,586,678)
Additional Paid in Capital | 36,685,176 | 36,563,562 | 35,284,864 | 35,231,415 | 35,213,707 | 22,830,006
Restatement of the Company's Financial Statements [Member] |  |  |  |  |  |
RESTATEMENT OF PREVIOUSLY ISSUED FINANCIAL STATEMENTS (Details) [Line Items] |  |  |  |  |  |
Retained Earnings (Accumulated Deficit) | (30,546,335) | (28,835,114) | (26,710,573) | (24,992,475) | (23,100,081) | (20,422,910)
Additional Paid in Capital | $ 38,836,743 | $ 38,499,055 | $ 36,935,126 | $ 36,648,743 | $ 36,388,056 | $ 23,666,238

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