WARRANTS (Details) - $ / shares	3 Months Ended	12 Months Ended
Oct. 31, 2021	Jul. 31, 2021
WARRANTS
Number of warrants, outstanding	1,911,330	500,000
Number of warrants, granted	0	1,911,330
Number of warrants, expired	0	(500,000)
Number of warrants, exercised	0	0
Number of warrants, exercisable	1,911,330	1,911,330
Weighted average exercise price, outstanding	$ 0.15	$ 0.15
Weighted average exercise price, granted	0	0.08
Weighted average exercise price, expired	0	0.15
Weighted average exercise price, exercised	0	0
Weighted average exercise price, exercisable	$ 0.15	$ 0.15
Weighted average remaining contract term, outstanding	2 years	3 months 7 days
Weighted average remaining contract term, Granted		2 years
Weighted average remaining contract term, exercisable	1 year 9 months	2 years

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Number of shares under non-option equity instrument agreements for which rights to exercise lapsed.

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- Definition

Exercise price per share or per unit of warrants or rights outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21475-112644

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Number of warrants or rights outstanding.

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- Definition

The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(1)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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- Definition

Weighted average remaining contractual term for equity-based awards excluding options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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- Definition

Number of non-option equity instruments exercised by participants.

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
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-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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- Definition

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

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-SubTopic 10
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