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Statements of Cash Flows - USD ($)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Cash flows provided by operating activities    
Net income $ 3,703,593 $ 3,546,649
Adjustments to reconcile net income to net cash provided by operating activities:    
Net cash provided by operating activities 1,302,958 8,171,454
Cash flows used in financing activities    
Subscriptions 0 200,000
Redemptions (1,302,958) (8,371,454)
Net cash used in financing activities (1,302,958) (8,171,454)
Net change in cash and cash equivalents 0 0
Cash and cash equivalents, beginning of year 0 0
Cash and cash equivalents, end of year 0 0
Graham Alternative Investment Trading LLC [Member]    
Cash flows provided by operating activities    
Net income (3,703,593) (3,546,649)
Adjustments to reconcile net income to net cash provided by operating activities:    
Proceeds from sale of investment in Graham Alternative Investment Trading LLC 1,302,958 8,371,454
Purchases of investment in Graham Alternative Investment Trading LLC $ 0 $ (200,000)