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Note 3 - Summary of Significant Accounting Policies - Useful Life of Property, Plant, and Equipment (Details)
 12 Months Ended
Nov. 30, 2023
Buildings and camp structures [member] | Bottom of range [member]  
Statement Line Items [Line Items]  
Property, plant, and equipment (Year) 5 years
Buildings and camp structures [member] | Top of range [member]  
Statement Line Items [Line Items]  
Property, plant, and equipment (Year) 20 years
Exploration equipment [Member]  
Statement Line Items [Line Items]  
Property, plant, and equipment (Year) 5 years
Vehicles [member]  
Statement Line Items [Line Items]  
Property, plant, and equipment (Year) 5 years
Furniture and fixtures 1 [member]  
Statement Line Items [Line Items]  
Property, plant, and equipment (Year) 5 years
Computer equipment [member]  
Statement Line Items [Line Items]  
Property, plant, and equipment (Year) 3 years
Computer software [member]  
Statement Line Items [Line Items]  
Property, plant, and equipment (Year) 1 year