STOCK BASED COMPENSATION (Details 1) - Warrant [Member]	3 Months Ended
Jul. 31, 2019 USD ($) $ / shares shares
Number of Warrants
Outstanding, Beginning \| shares	2,450,000
Granted \| shares	1,500,000
Expired \| shares	(1,400,000)
Outstanding, Ending \| shares	2,550,000
Exercisable \| shares	2,550,000
Weighted Average Exercise Price
Outstanding, Beginning \| $ / shares	$ 0.05
Granted \| $ / shares
Expired \| $ / shares
Outstanding, Ending \| $ / shares	0.10
Exercisable \| $ / shares	$ 0.10
Weighted Average Remaining Contractual Life
Outstanding, Beginning	6 months
Outstanding, Ending	1 year 11 months 8 days
Exercisable	1 year 11 months 8 days
Aggregate Intrinsic Value
Outstanding, Beginning \| $	$ 14,513
Outstanding, Ending \| $
Exercisable \| $

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Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

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Net number of non-option equity instruments granted to participants.

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements.

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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Number of options outstanding, including both vested and non-vested options.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Amount by which current fair value of underlying stock exceeds exercise price of fully vested and expected to vest exercisable or convertible options. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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