Annual report pursuant to Section 13 and 15(d)

STOCKHOLDERS' EQUITY (Details) - Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range

v3.23.2
STOCKHOLDERS' EQUITY (Details) - Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range - $ / shares
 12 Months Ended
May 31, 2021
May 31, 2023
May 31, 2022
Sep. 15, 2022
Jan. 04, 2022
May 30, 2021
Share-Based Payment Arrangement, Option, Exercise Price Range [Line Items]            
Exercise Price       $ 0.4 $ 1.65  
Number of warrants outstanding (in Shares)   21,181,449 1,729,924     13,499,411
Weighted average remaining contractual life   2 years 3 months 7 days        
Weighted average exercise price of outstanding warrants $ 2.12 $ 0.46 $ 1.98      
Number of warrants exercisable (in Shares)   21,181,449        
Weighted average exercise price of exercisable warrants   $ 0.46        
Warrants Exercisable at $0.40 [Member]            
Share-Based Payment Arrangement, Option, Exercise Price Range [Line Items]            
Number of warrants outstanding (in Shares)   20,232,775        
Weighted average remaining contractual life   2 years 3 months 18 days        
Weighted average exercise price of outstanding warrants   $ 0.4        
Number of warrants exercisable (in Shares)   20,232,775        
Weighted average exercise price of exercisable warrants   $ 0.4        
Warrants Exercisable at $1.60[Member]            
Share-Based Payment Arrangement, Option, Exercise Price Range [Line Items]            
Number of warrants outstanding (in Shares)   191,094        
Weighted average remaining contractual life   2 years 3 months 18 days        
Weighted average exercise price of outstanding warrants   $ 1.6        
Number of warrants exercisable (in Shares)   191,094        
Weighted average exercise price of exercisable warrants   $ 1.6        
Warrants Exercisable at $1.65 [Member]            
Share-Based Payment Arrangement, Option, Exercise Price Range [Line Items]            
Number of warrants outstanding (in Shares)   757,580        
Weighted average remaining contractual life   1 year 6 months 29 days        
Weighted average exercise price of outstanding warrants   $ 1.65        
Number of warrants exercisable (in Shares)   757,580        
Weighted average exercise price of exercisable warrants   $ 1.65        
Minimum [Member] | Warrants Exercisable at $0.40 [Member]            
Share-Based Payment Arrangement, Option, Exercise Price Range [Line Items]            
Exercise Price   0.4        
Minimum [Member] | Warrants Exercisable at $1.60[Member]            
Share-Based Payment Arrangement, Option, Exercise Price Range [Line Items]            
Exercise Price   1.6        
Minimum [Member] | Warrants Exercisable at $1.65 [Member]            
Share-Based Payment Arrangement, Option, Exercise Price Range [Line Items]            
Exercise Price   $ 1.65