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Summary of Significant Accounting Policies (Details Narrative) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Summary of Significant Accounting Policies        
Mutual fund investments $ 1,300   $ 1,300  
Earnings, basic earnings per share $ 0.61 $ 0.80 $ 2.16 $ 1.67