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Note 9 - Rehabilitation Provisions - Rehabilitation Provisions Assumptions (Details) - Provision for decommissioning, restoration and rehabilitation costs [member]
Nov. 30, 2022
Nov. 30, 2021
Current estimate of future cash outflows to be paid to fulfil obligation, measurement input [member]    
Statement Line Items [Line Items]    
Assumption 235,000 235,000
Current estimate of future cash outflows to be paid to fulfil obligation, measurement input [member] | Yellowknife Gold project [member]    
Statement Line Items [Line Items]    
Assumption 490,000 490,000
Life expectancy [member]    
Statement Line Items [Line Items]    
Assumption 3 4
Life expectancy [member] | Yellowknife Gold project [member]    
Statement Line Items [Line Items]    
Assumption 3 2
Inflation rate [member]    
Statement Line Items [Line Items]    
Assumption 3.48 6.90
Inflation rate [member] | Yellowknife Gold project [member]    
Statement Line Items [Line Items]    
Assumption 3.00 4.90
Discount rate, measurement input [member]    
Statement Line Items [Line Items]    
Assumption 4.13 0.81
Discount rate, measurement input [member] | Yellowknife Gold project [member]    
Statement Line Items [Line Items]    
Assumption 3.64 0.98