Consolidated Statements of Operations - USD ($)	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Net gain (loss) on trading of commodity contracts:
Net realized gain on closed positions	$ 100,702	$ 603,742
Net change in unrealized gain (loss) on open positions	(41,709)	1,808
Net foreign currency transaction gain (loss)	(538)	32,636
Total trading gain	58,455	638,186
Net investment income:
Interest income	3,551	3,914
Total net investment income	3,551	3,914
Expenses:
Management fees	18,861	47,174
Incentive fees	804	38,235
Ongoing offering expenses	6,168	9,475
Operating expenses	62,000	83,376
Total expenses	136,692	250,817
Trading income (loss)	(74,686)	391,283
Less: Operations attributed to non-controlling interests	(10,415)	6,049
Net income (loss)	(64,271)	385,234
Non-controlling Interests [Member]
Expenses:
Commissions	3,004	676
Capital Unit, Class A [Member]
Expenses:
Commissions	45,664	71,509
Capital Unit, Class B [Member]
Expenses:
Commissions	$ 191	$ 372