Consolidated Statements of Operations - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Net gain (loss) on trading of commodity contracts:
Net realized gain (loss) on closed positions	$ (237,625)	$ 55,134	$ (447,124)	$ 354,800
Net change in unrealized gain (loss) on open positions	108,226	(185,253)	96,744	181,036
Net foreign currency transaction gain	3,731	3,280	6,106	31,557
Total trading gain (loss)	(125,668)	(126,839)	(344,274)	567,393
Net investment income:
Interest income	7,673	3,388	17,693	11,307
Total net investment income	7,673	3,388	17,693	11,307
Expenses:
Management fees	20,834	37,524	60,792	128,635
Incentive fees	1,957	8,994	3,613	73,508
Ongoing offering expenses	8,880	6,824	23,536	25,524
Operating expenses	73,800	82,500	201,400	248,376
Total expenses	197,988	202,512	488,811	689,625
Trading loss	(315,983)	(325,963)	(815,392)	(110,925)
Less: Operations attributed to non-controlling interests	(32,640)	(1,331)	(133,014)	5,179
Net loss attributable to unitholders	(283,343)	(324,632)	(682,378)	(116,104)
Capital Unit, Class A [Member]
Expenses:
Commissions	70,974	65,566	156,664	210,308
Capital Unit, Class B [Member]
Expenses:
Commissions	3,396	350	4,047	1,125
Non-controlling Interests [Member]
Expenses:
Commissions	$ 18,147	$ 754	$ 38,759	$ 2,149