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Marketable Equity Securities (Details) - USD ($)
9 Months Ended 12 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Dec. 31, 2019
Cost $ 516,634 $ 1,501,912  
Common Stock [Member]      
Cost 301,960   $ 423,025
Gross unrealized gains (losses) 84,516   216,622
Gross realized gains (losses)  
Fair value $ 386,476   $ 639,647