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South Mountain Project (Tables)
12 Months Ended
Dec. 31, 2023
Equity Method Investments [Abstract]  
Schedule of changes in non-controlling interest equity balance [Table Text Block]
   

Years Ended

December 31,

 
    2023     2022  
Balance at beginning of year $ 169,639   $ 173,702  
Noncontrolling interest in net returns royalty   (5,000 )   (5,000 )
Net income attributable to noncontrolling interest   5,000     937  
Balance at end of year $ 169,639   $ 169,639