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CONVERTIBLE DEBENTURES AND PROMISSORY NOTES (Schedule of promissory notes) (Details) - Promissory notes payable [Member] - USD ($)
12 Months Ended
Jan. 31, 2022
Jan. 31, 2021
Debt Instrument [Line Items]    
Balance, beginning of period $ 14,186,667 $ 21,200,000
Payments (6,080,000) (7,013,333)
Balance, end of period 8,106,667 $ 14,186,667
Current portion 6,080,000  
Non-current portion $ 2,026,667