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FLOW THROUGH PREMIUM LIABILITY (Narrative) (Details) - CAD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Flow Through Premium Liability [Abstract]
Flow-through premium liability	$ 89,775
Exploration expenses under flow through share financing	3,354,300
Qualifying Canadian exploration expenses incurred	3,009,300
Flow-through premium recovery	$ 767,435

X

- Definition

It represents exploration expenses under flow through share financing.

+ References

No definition available.

+ Details

Name:	wrn_ExplorationExpensesUnderFlowThroughShareFinancing
Namespace Prefix:	wrn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

The amount of flow through premium liability.

+ References

No definition available.

+ Details

Name:	wrn_FlowThroughPremiumLiability
Namespace Prefix:	wrn_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

It represents Flow Through Premium Liability.

+ References

No definition available.

+ Details

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

X

- Definition

Represents the amount of llow through premium recovery.

+ References

No definition available.

+ Details

Name:	wrn_FlowThroughPremiumRecovery
Namespace Prefix:	wrn_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Represents the amount of qualifying Canadian exploration expenses incurred.

+ References

No definition available.

+ Details

Name:	wrn_QualifyingCanadianExplorationExpensesIncurred
Namespace Prefix:	wrn_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant