Quarterly report pursuant to Section 13 or 15(d)

3. ACCRUED EXPENSES (Details)

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3. ACCRUED EXPENSES (Details) - USD ($)
Jan. 31, 2020
Apr. 30, 2019
Payables and Accruals [Abstract]    
Payroll related costs $ 421,941 $ 358,616
Share issuance compensation 0 240,015
Other 256,419 22,335
Total $ 678,360 $ 620,966