Quarterly report pursuant to Section 13 or 15(d)

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details Narrative)

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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details Narrative) - USD ($)
3 Months Ended 9 Months Ended
Jan. 31, 2023
Jan. 31, 2022
Jan. 31, 2023
Jan. 31, 2022
Apr. 30, 2022
Intangible assets $ 3,549,427   $ 3,549,427   $ 3,549,427
Goodwill and Intangible Asset Impairment     0 $ 0  
Research and Development Expense 45,393 $ 158,039 382,662 436,872  
Uninsured cash balances 1,100,000 $ 36,356,000 1,100,000 $ 36,356,000  
Cell In A Box [Member]          
Intangible assets 1,549,427   1,549,427    
Diabetes License [Member]          
Intangible assets $ 2,000,000   $ 2,000,000    
SG Austria [Member]          
Percentage investment in SG Austria 14.30%   14.30%