Quarterly report pursuant to Section 13 or 15(d)

Prepaid expenses and other current assets are as follows (Details)

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Prepaid expenses and other current assets are as follows (Details) - USD ($)
Jan. 31, 2022
Apr. 30, 2021
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]    
Prepaid consulting fees $ 256,667 $ 966,260
Prepaid insurance 370,179
Other prepaid expenses 11,981 850
Other receivables 16,210
Total prepaid expenses and other current assets $ 638,827 $ 983,320