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Condensed Statements of Cash Flows (Parenthetical) - USD ($)
Jun. 30, 2021
Jun. 30, 2020
Components of Cash and Cash Equivalents:    
Cash and cash equivalents $ 213,657,411 $ 328,821,241
Equity in Trading Accounts:    
Cash and cash equivalents 50,000,000 86,405,619
Total Cash, Cash Equivalents and Equity in Trading Accounts $ 263,657,411 $ 415,226,860