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SCHEDULE OF SHARE-BASED PAYMENT AWARD, STOCK OPTIONS, VALUATION ASSUMPTIONS (Details)
12 Months Ended
May 31, 2023
May 31, 2022
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions and Methodology [Abstract]    
Dividend yield 0.00% 0.00%
Expected volatility minimum 98.81% 102.54%
Expected volatility maximum 101.77% 105.48%
Risk free interest rate minimum 3.12% 0.97%
Risk free interest rate maximum 3.35% 2.75%
Expected term 6 years 3 months  
Minimum [Member]    
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions and Methodology [Abstract]    
Expected term   5 years 6 months
Maximum [Member]    
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions and Methodology [Abstract]    
Expected term   6 years 3 months