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Note 5 - Exploration and Evaluation Assets (Details Textual) - CAD ($)
$ in Thousands
 12 Months Ended
Jan. 18, 2024
Jul. 13, 2023
Jan. 01, 2023
Jul. 04, 2022
Jun. 13, 2022
Nov. 30, 2024
Nov. 30, 2023
Statement Line Items [Line Items]              
Tax expense (income)           $ 2,100 $ 4,900
Current tax liabilities           1,992 7
Impairment of exploration and evaluation assets           74 1,809
NevGold Corp [member]              
Statement Line Items [Line Items]              
Maximum success-based Contingent Payments requirement           7,500  
Purchase of equity, number of shares received (in shares) 10,000,000 4,109,589 3,658,536        
Purchase of equity, shares received amount   $ 1,562 $ 1,134     2,260  
Purchase of equity, deemed value of shares received $ 3,200            
Mineral property option, carry amount $ 0            
Tax expense (income)           1,925  
Current tax liabilities           1,992  
Contingent payments requirement, completion of a positive Preliminary Economic Assessment           500  
Contingent payments requirement, completion of a positive Feasibility Study           4,500  
Contingent payments requirement, completion of a positive Preliminary Feasibility Study           2,500  
Almaden gold project [member]              
Statement Line Items [Line Items]              
Proportion of ownership interest in project         100.00%    
Almaden gold project [member] | NevGold Corp [member]              
Statement Line Items [Line Items]              
Number of common shares receipt (in shares)         4,444,444    
Common shares receipt, fair value       $ 2,489      
Maximum success-based Contingent Payments requirement         $ 6,000    
Surubim gold project [member]              
Statement Line Items [Line Items]              
Impairment of exploration and evaluation assets           $ 74 $ 1,809