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Statements of Cash Flows (Parenthetical) - USD ($)
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Components of Cash and Cash Equivalents:      
Cash and Cash Equivalents $ 72,725,833 $ 62,639,874 $ 78,344,087
Equity in Trading Accounts:      
Cash and Cash Equivalents 10,877,607 17,417,768 14,167,416
Total Cash, Cash Equivalents and Equity in Trading Accounts $ 83,603,440 $ 80,057,642 $ 92,511,503