Condensed Statements of Operations (USD $)	3 Months Ended	9 Months Ended
Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Loss on trading of commodity futures contracts:
Realized loss on closed positions	$ (1,107,430)	$ (1,781,810)	$ (4,175,800)	$ (4,554,460)
Change in unrealized loss on open positions	(3,909,600)	(4,756,700)	(3,193,030)	(9,540,220)
Dividend income	525	4,198	3,606	9,070
Interest income	810	520	1,037	1,295
Other income		2,000	5,000	6,000
Total loss	(5,015,695)	(6,531,792)	(7,359,187)	(14,078,315)
Expenses
General Partners management fees (Note 3)	63,384	61,326	191,460	176,121
Brokerage commissions	1,073	2,660	5,451	8,873
Other expenses	55,200	6,115	160,462	204,482
Total expenses	119,657	70,101	357,373	389,476
Expense waiver (Note 3)	(39,596)		(113,169)	(169,020)
Net expenses	80,061	70,101	244,204	220,456
Net loss	$ (5,095,756)	$ (6,601,893)	$ (7,603,391)	$ (14,298,771)
Net loss per limited partnership unit	(4.63)	(8.03)	(7.08)	(19.44)
Net loss per weighted average limited partnership unit	(4.63)	(7.78)	(7.24)	(17.80)
Weighted average limited partnership units outstanding	1,100,000	848,913	1,050,916	803,297

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