SHARE CAPITAL (Detail) - Summary Of Stock Options Outstanding	12 Months Ended
Apr. 30, 2020 $ / shares shares
Number Exercisable	1,700,000
Set 1 [Member]
Type of Security	Stock options
Number Outstanding	200,000
Number Exercisable	200,000
Exercise Price (CAD$) \| $ / shares	$ 0.25
Expiry Date	Aug. 04, 2020
Remaining Contractual Life (years)	94 days 21 hours 36 minutes
Set 2 [Member]
Type of Security	Stock options
Number Outstanding	300,000
Number Exercisable	300,000
Exercise Price (CAD$) \| $ / shares	$ 0.3
Expiry Date	Jul. 21, 2021
Remaining Contractual Life (years)	1 year 80 days 7 hours 12 minutes
Set 3 [Member]
Type of Security	Stock options
Number Outstanding	1,000,000
Number Exercisable	1,000,000
Exercise Price (CAD$) \| $ / shares	$ 0.25
Expiry Date	Apr. 20, 2022
Remaining Contractual Life (years)	1 year 354 days 1 hour 12 minutes
Set 4 [Member]
Type of Security	Stock options
Number Outstanding	1,450,000
Number Exercisable	200,000
Exercise Price (CAD$) \| $ / shares	$ 0.25
Expiry Date	Aug. 09, 2023
Remaining Contractual Life (years)	3 years 102 days 4 hours 48 minutes

Description of terms of share-based payment arrangement. Includes, but is not limited to, type of award or grantee and reason for issuance.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5047-113901

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- Definition

Date the equity-based award expires, in CCYY-MM-DD format.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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- Definition

Agreed-upon price for the exchange of the underlying asset relating to the share-based payment award.

+ References

No definition available.

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- Definition

Number of fully vested and expected to vest exercisable options that may be converted into shares under option plan. 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.

+ References

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-Publisher FASB
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-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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- Definition

Number of fully vested and expected to vest options outstanding that can be converted into shares under option plan. 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.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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- Definition

Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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