Consolidated Statements of Operations - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Net gain (loss) on trading of commodity contracts:
Net realized gain (loss) on closed positions	$ (310,200)	$ (304,076)	$ (209,497)	$ 299,666
Net change in unrealized gain (loss) on open positions	30,227	364,481	(11,483)	366,289
Net foreign currency transaction gain (loss)	2,912	(4,359)	2,374	28,277
Total Trading gain (loss)	(277,061)	56,046	(218,606)	694,232
Net investment income (loss):
Interest income	6,467	4,005	10,018	7,919
Total net investment income (loss)	6,467	4,005	10,018	7,919
Expenses:
Management fees	21,096	43,937	39,957	91,111
Incentive fees	853	26,279	1,657	64,514
Ongoing offering expenses	8,488	9,225	14,656	18,700
Operating expenses	65,600	82,500	127,600	165,876
Total expenses	154,128	236,296	290,820	487,113
Trading income (loss)	(424,722)	(176,245)	(499,408)	215,038
Less: Operations attributed to non-controlling interests	(89,959)	461	(100,374)	6,510
Net income (loss) attributable to unitholders	(334,763)	(176,706)	(399,034)	208,528
Capital Unit, Class A [Member]
Expenses:
Commissions	40,025	73,233	85,689	144,742
Capital Unit, Class B [Member]
Expenses:
Commissions	460	403	651	775
Non-controlling Interests [Member]
Expenses:
Commissions	$ 17,606	$ 719	$ 20,610	$ 1,395