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Note 10 - Investment in Peak Gold, LLC (Details Textual) - USD ($)
6 Months Ended 12 Months Ended
Dec. 31, 2023
Dec. 31, 2024
Jun. 30, 2023
Sep. 30, 2024
Jun. 30, 2024
Mar. 31, 2024
Aug. 01, 2015
Equity Method Investments $ 28,064,405 $ 60,523,622          
The Joint Venture Company [Member]              
Equity Method Investment, Aggregate Cost             $ 1,400,000
Equity Method Investment, Total Contributions   106,200,000          
Loss from Equity Method Investments, Unrecorded 2,100,000 41,700,000 $ 2,800,000        
Equity Method Investment, Summarized Financial Information, Inception-to-date Cumulative Income (Loss)     44,800,000        
Equity Method Investments $ 28,064,405 $ 60,523,622   $ 67,544,376 $ 54,468,519 $ 43,374,152  
Suspended Losses     $ 0