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Condensed Statements of Financial Condition (Parenthetical) - USD ($)
Jun. 30, 2020
Dec. 31, 2019
Jun. 30, 2019
Condensed Statements of Financial Condition      
Cash and Cash Equivalents, at Carrying Value $ 4,043,457 $ 2,990,732 $ 3,529,670
Cash And Cash Equivalents In Trading Accounts $ 636,143 $ 803,973 $ 1,098,128