XML 50 R41.htm IDEA: XBRL DOCUMENT v3.20.1

Supplemental Cash Flow Information (Details Narrative) - CAD ($)	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
SUPPLEMENTAL CASH FLOW INFORMATION
Amount transferred from reserve to deficit	$ 199,971
Accrued exploration and evaluation expenditures	44,566	$ 134,555
Additional investment	$ 33,735

X

- Definition

The amount of accrued expense arising from the search for mineral resources, including minerals, oil, natural gas and similar non-regenerative resources after the entity has obtained legal rights to explore in a specific area, as well as the determination of the technical feasibility and commercial viability of extracting the mineral resource.

+ References

No definition available.

+ Details

Name:	WSCRF_AccruedExplorationAndEvaluationExpenditures
Namespace Prefix:	WSCRF_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Additional investment.

+ References

No definition available.

+ Details

Name:	WSCRF_AdditionalInvestment
Namespace Prefix:	WSCRF_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amount removed from reserve and transferred to retained earnings.

+ References

No definition available.

+ Details

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

X

- References

No definition available.

+ Details

Name:	WSCRF_SupplementalCashFlowDisclosuresAbstract
Namespace Prefix:	WSCRF_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration