XML 54 R64.htm IDEA: XBRL DOCUMENT v3.20.1

Income Taxes (Details Narrative) $ in Thousands	12 Months Ended
	Dec. 31, 2019 CAD ($)
Issue of flow-through shares, amount	$ 400,440
Incurred of eligible expenditures	1,238
Proceeds from flow-through shares	$ 399,202

X

- Definition

Incurred of eligible expenditures .

+ References

No definition available.

+ Details

Name:	WSCRF_IncurredOfEligibleExpenditures
Namespace Prefix:	WSCRF_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Issue of flow-through shares, amount.

+ References

No definition available.

+ Details

Name:	WSCRF_IssueOfFlowthroughSharesAmount
Namespace Prefix:	WSCRF_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Proceeds from flow-through shares.

+ References

No definition available.

+ Details

Name:	WSCRF_ProceedsFromFlowthroughShares
Namespace Prefix:	WSCRF_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration