v3.20.2

COMMON STOCK WARRANTS (Details)	6 Months Ended
COMMON STOCK WARRANTS (Details)	Apr. 30, 2020 $ / shares shares
Class of Warrant Outstanding [Roll Forward]
Outstanding at beginning of period \| shares	200,000
Outstanding at end of period \| shares	200,000
Class of Warrant Outstanding Weighted Average Exercise Price [Roll Forward]
Outstanding at beginning of period	$ 2.00
Outstanding at end of period	2.00
Exercisable at end of period	$ 2.00
Class of Warrant Outstanding Weighted Average Remaining Life [Roll Forward]
Outstanding at beginning of period	7 months 13 days
Outstanding at end of period	1 month 13 days
Exercisable at end of period	1 month 13 days

The amount of class of warrant or right exercise price of warrants or rights exercisable.

+ References

No definition available.

+ Details

Name:	brmt_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRightsExercisable
Namespace Prefix:	brmt_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

Class Of Warrant Outstanding [Roll Forward]

+ References

No definition available.

+ Details

Name:	brmt_ClassOfWarrantOutstandingRollForward
Namespace Prefix:	brmt_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Class Of Warrant Outstanding Weighted Average Exercise Price [Roll Forward]

+ References

No definition available.

+ Details

Name:	brmt_ClassOfWarrantOutstandingWeightedAverageExercisePriceRollForward
Namespace Prefix:	brmt_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Class Of Warrant Outstanding Weighted Average Remaining Life [Roll Forward]

+ References

No definition available.

+ Details

Name:	brmt_ClassOfWarrantOutstandingWeightedAverageRemainingLifeRollForward
Namespace Prefix:	brmt_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents warrant term.

+ References

No definition available.

+ Details

Name:	brmt_WarrantsAndRightsOutstandingTerm2
Namespace Prefix:	brmt_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- 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

+ Details

Name:	us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of warrants or rights outstanding.

+ References

No definition available.

+ Details

Name:	us-gaap_ClassOfWarrantOrRightOutstanding
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Period between issuance and expiration of outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258

+ Details

Name:	us-gaap_WarrantsAndRightsOutstandingTerm
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant

BARE METAL STANDARD INC. 10-Q