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Statements of Cash Flows (Parenthetical) - USD ($)
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Components of Cash and Cash Equivalents:      
Cash and Cash Equivalents $ 45,166,882 $ 42,728,472 $ 83,241,625
Equity in Trading Accounts:      
Cash and Cash Equivalents 6,440,093 24,000,253 4,988,459
Total Cash, Cash Equivalents and Equity in Trading Accounts $ 51,606,975 $ 66,728,725 $ 88,230,084