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v3.21.2

SCHEDULE OF NUMBER AND WEIGHTED AVERAGE REMAINING CONTRACTUAL LIFE OF OUTSTANDING WARRANTS (Details) (Parenthetical) - Warrants [Member] | 6 Months Ended
--- | ---
Jun. 30, 2021 $ / shares
IfrsStatementLineItems [Line Items] |
Exercise price of warrant | $ 0.12
Trading days | 10 days

X
- Definition Exercise price of warrant. + References No definition available. + Details
Name: | WSCRF_ExercisePriceOfWarrant
Namespace Prefix: | WSCRF_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- References No definition available. + Details
Name: | WSCRF_IfrsStatementLineItems
Namespace Prefix: | WSCRF_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Trading days. + References No definition available. + Details
Name: | WSCRF_TradingDays
Namespace Prefix: | WSCRF_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | WSCRF_TypesOfWarrantsAxis=WSCRF_WarrantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |