Quarterly report pursuant to Section 13 or 15(d)

NOTE RECEIVABLE FOR COMMON STOCK, RELATED PARTY (Details Narrative)

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NOTE RECEIVABLE FOR COMMON STOCK, RELATED PARTY (Details Narrative) - USD ($)
3 Months Ended 6 Months Ended 12 Months Ended
Apr. 30, 2019
Oct. 31, 2021
Oct. 31, 2021
Apr. 30, 2021
Defined Benefit Plan Disclosure [Line Items]        
Number of shares purchase (in shares)     212,500  
Number of shares purchase    
Warrant terms   3 years 1 month 6 days 3 years 1 month 6 days  
Outstandinf receivable amount     $ 14,883,295  
Outstandinf receivable amount       $ 14,883,295
Ault Life Sciences Fund L L C [Member] | Securities Purchase Agreement [Member]        
Defined Benefit Plan Disclosure [Line Items]        
Number of shares purchase (in shares) 10,000,000      
Number of shares purchase $ 15,000,000      
Ault Life Sciences Fund L L C [Member] | Securities Purchase Agreement [Member] | Warrant [Member]        
Defined Benefit Plan Disclosure [Line Items]        
Number of warrants granted 5,000,000      
Warrant terms 5 years      
Exercise price (in dollars per share) $ 3.00