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Statements of Financial Condition (Parenthetical) - USD ($)
Mar. 31, 2021
Dec. 31, 2020
Mar. 31, 2020
Statements of Financial Condition      
Cash and cash equivalents $ 7,421,844 $ 6,497,522 $ 2,490,391
Cash and cash equivalents $ 882,931 $ 845,621 $ 908,142