XML 35 R33.htm IDEA: XBRL DOCUMENT v3.20.1

MARKETABLE SECURITIES (Narrative) (Details) - CAD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Disclosure of transactions between related parties [line items]
Financial assets, at fair value	$ 160,500	$ 252,200
Unrealized loss on marketable securities	$ 91,700	33,500
NorthIsle Copper and Gold Inc. [Member]
Disclosure of transactions between related parties [line items]
Number of equity instruments held	2,500,000
Financial assets, at fair value	$ 150,000	237,500
Copper North Mining Corp. [Member]
Disclosure of transactions between related parties [line items]
Number of equity instruments held	420,000
Financial assets, at fair value	$ 10,500	$ 14,700

X

- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.

+ References

No definition available.

+ Details

Name:	ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The fair value of financial assets. [Refer: At fair value [member]; Financial assets]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 7
-IssueDate 2018-01-01
-Paragraph 25
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=7&date=2018-03-01&anchor=para_25&doctype=Standard
-URIDate 2018-03-16

+ Details

Name:	ifrs-full_FinancialAssetsAtFairValue
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

The gains (losses) on financial assets at fair value through profit or loss. [Refer: Financial assets at fair value through profit or loss]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 7
-IssueDate 2018-01-01
-Paragraph 20
-Subparagraph a
-Clause i
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=7&date=2018-03-01&anchor=para_20_a_i&doctype=Standard
-URIDate 2018-03-16

+ Details

Name:	ifrs-full_GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLoss
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Number of equity instruments held

+ References

No definition available.

+ Details

Name:	wrn_NumberOfEquityInstrumentsHeld
Namespace Prefix:	wrn_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	ifrs-full_CategoriesOfRelatedPartiesAxis=wrn_NorthisleCopperAndGoldIncMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_CategoriesOfRelatedPartiesAxis=wrn_CopperNorthMiningCorpMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: