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Income Taxes (Details) - USD ($)
 3 Months Ended 9 Months Ended
Dec. 31, 2022
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Income tax expense   $ (217,000) $ 2,352,000 $ 8,915,000 $ 6,697,000
Effective tax rate       21.00%  
Mining duty over sales of gold and silver       0.50%  
Withholding tax on dividends       10.00%  
Dividend withholding tax between countries       5.00%  
Liability for uncertain tax positions   $ 0   $ 0  
Mexico          
MITL corporate income tax rate   37.50%   37.50%  
MITL corporate income tax rate excluding mining tax       30.00%  
Mining tax rate       7.50%  
Withholding tax on dividends 5.00%        
Liability for uncertain tax positions   $ 800,000   $ 800,000  
CANADA          
Canada income tax rate   26.50%   26.50%