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SHORT-TERM INVESTMENTS (Narrative) (Details)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 CAD ($)
Short Term Investment Abstract
Short-term investments		$ 1,505,161
Interest receivable		$ 5,161

X

- Definition

The amount of interest recognised as a receivable.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2018-01-01
-Paragraph 112
-Subparagraph c
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_112_c&doctype=Standard
-URIDate 2018-03-16

+ Details

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

X

- Definition

The amount of short-term deposits held by the entity that are not classified as cash equivalents. [Refer: Cash equivalents]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2018-01-01
-Paragraph 55
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_55&doctype=Standard
-URIDate 2018-03-16

+ Details

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

X

- Definition

Represents short term investment.

+ References

No definition available.

+ Details

Name:	wrn_ShortTermInvestmentAbstract
Namespace Prefix:	wrn_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration