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Mineral Properties (Details) - USD ($)
$ in Thousands
Dec. 31, 2024
Dec. 31, 2023
Mineral Properties    
Total exploration mineral properties $ 16,701 $ 16,646
Cat Creek (Colorado - US) [Member]    
Mineral Properties    
Total exploration mineral properties 12 0
Golden Crest (South Dakota - US) [Member]    
Mineral Properties    
Total exploration mineral properties 1,078 1,035
Lik project (Alaska - US)    
Mineral Properties    
Total exploration mineral properties $ 15,611 $ 15,611