3. ACCRUED EXPENSES (Details) - USD ($)	Apr. 30, 2020	Apr. 30, 2019
Payables and Accruals [Abstract]
Payroll related costs	$ 435,577	$ 358,616
Share issuance compensation	0	240,015
Director and Officer insurance financing	113,245	0
Other	267,816	22,335
Total	$ 816,638	$ 620,966

Director and Officer insurance financing

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- Definition

Amount of obligations incurred classified as other, payable within one year or the normal operating cycle, if longer.

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Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Aggregate carrying value as of the balance sheet date of the liabilities for deferred compensation arrangements payable within one year (or the normal operating cycle, if longer). Represents currently earned compensation under cash arrangements (such as a profit-sharing plan, rabbi trust, and employee contract--excluding equity-based arrangements) that is not actually paid until a later date.

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Total of the carrying values as of the balance sheet date of obligations incurred through that date and payable for obligations related to services received from employees, such as accrued salaries and bonuses, payroll taxes and fringe benefits. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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