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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 $ 46,866,995 $ 79,031,716
Equity in Trading Accounts:    
Cash and Cash Equivalents 10,366,163 4,977,569
Total Cash, Cash Equivalents and Equity in Trading Accounts $ 57,233,158 $ 84,009,285