Annual report pursuant to Section 13 and 15(d)

3. ACCRUED EXPENSES (Details)

v3.21.2
3. ACCRUED EXPENSES (Details) - USD ($)
Apr. 30, 2021
Apr. 30, 2020
Payables and Accruals [Abstract]    
Payroll related costs $ 490,904 $ 435,577
Director and Officer insurance financing 50,805 113,245
Other 10,808 267,816
Total $ 552,517 $ 816,638