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Condensed Statement of Changes in Partners' Capital - USD ($)
General Partner [Member]
Limited Partner [Member]
Total
Net income (loss)     $ 146,336
Net asset value, beginning of period at Dec. 31, 2017     $ 9.26
Net asset value, end of period at Sep. 30, 2018     $ 9.45
Balances at Dec. 31, 2018 $ 0 $ 5,642,871 $ 5,642,871
Redemption of 100,000 partnership shares 0 (1,032,818) (1,032,818)
Net income (loss) 0 (632,419) (632,419)
Balances at Sep. 30, 2019 $ 0 $ 3,977,634 $ 3,977,634
Net asset value, beginning of period at Dec. 31, 2018     $ 10.26
Net asset value, end of period at Sep. 30, 2019     $ 8.84