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Financial Risk, Management and Objectives (Details) - USD ($)
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Disclosure of risk management strategy related to hedge accounting [line items]    
Liabilities $ 538,595 $ 213,522
Concentration Risk    
Disclosure of risk management strategy related to hedge accounting [line items]    
Percentage of physical silver bullion that constitutes total equity 99.60% 99.70%
Canada | Currency risk [member]    
Disclosure of risk management strategy related to hedge accounting [line items]    
Liabilities $ 490,000 $ 138,000
Scenario Member | Other price risk [member]    
Disclosure of risk management strategy related to hedge accounting [line items]    
Percentage increase in market value of silver 1.00%  
Percentage decrease in market value of silver 1.00%  
Increase (decrease) in equity $ 8,700,000 $ 9,600,000
Scenario Member | Canada    
Disclosure of risk management strategy related to hedge accounting [line items]    
Percent change in the exchange rate between the Canadian and U.S. Dollars 1.00%