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Condensed Statements of Cash Flows (Parenthetical) - USD ($)
Jun. 30, 2019
Jun. 30, 2018
Components of Cash and Cash Equivalents:    
Cash and Cash Equivalents $ 79,878,780 $ 90,179,694
Equity in Trading Accounts:    
Cash and Cash Equivalents 8,976,787 8,492,982
Total Cash, Cash Equivalents and Equity in Trading Accounts $ 88,855,567 $ 98,672,676