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A reconciliation of the federal statutory income tax rate to the Company’s effective income tax rate for the years ended April 30, 2022 and 2021, is as follows: (Details)
12 Months Ended
Apr. 30, 2022
Apr. 30, 2021
Income Tax Disclosure [Abstract]    
Tax benefit at U.S. Federal statutory tax rate 21.00% 21.00%
State income tax, net of federal benefit 12.30% 18.60%
Increase (decrease) in tax rate resulting from:    
Change in valuation allowance (46.30%) (34.50%)
Stock compensation 13.00% (2.90%)
Other 0.00% (2.20%)
Effective tax rate 0.00% 0.00%