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 ($)
9 Months Ended 12 Months Ended
Apr. 30, 2019
Jan. 31, 2022
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  
Outstanding 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