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Income Taxes (Details Narrative) - USD ($)
12 Months Ended
Apr. 30, 2020
Apr. 30, 2019
Effective income tax rate, percentage 21.00% 21.00%
Net operating loss carryforwards $ 1,424,000  
Imcome tax, penalties and interest
ISRAEL    
Effective income tax rate, percentage 23.00%  
Net operating loss carryforwards $ 1,671,000