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Note 3 - Material Accounting Policy Information - Schedule of Investments in Associates and Joint Arrangements (Details)
12 Months Ended
Oct. 04, 2024
Mar. 12, 2024
Oct. 13, 2022
Apr. 01, 2022
Feb. 25, 2022
Dec. 31, 2024
Dolly Varden [member]            
Statement Line Items [Line Items]            
Associate 16.11% 19.99% 22.20%   35.33% 16.11%
Dolly Varden [member] | BRITISH COLUMBIA            
Statement Line Items [Line Items]            
Associate           16.11%
Universal Mineral Services (UMS) [member]            
Statement Line Items [Line Items]            
Associate       25.00%   25.00%
Universal Mineral Services (UMS) [member] | BRITISH COLUMBIA            
Statement Line Items [Line Items]            
Associate           25.00%