Statements of Income and Expenses and Changes in Partners' Capital (USD $)	3 Months Ended				6 Months Ended
	Jun. 30, 2013		Jun. 30, 2012		Jun. 30, 2013		Jun. 30, 2012
Investment income:
Interest income allocated from Master	$ 4,923		$ 15,545		$ 18,661		$ 26,618
Expenses:
Expenses allocated from Master	168,746		161,058		374,223		345,769
Brokerage commissions	455,390		521,087		1,022,893		1,088,174
Management fees	428,721		854,415		917,524		1,781,543
Other	47,647		34,860		81,251		80,281
Total expenses	1,100,504		1,571,420		2,395,891		3,295,767
Net investment income (loss)	(1,095,581)		(1,555,875)		(2,377,230)		(3,269,149)
Trading Results:
Net realized gains (losses) on closed contracts allocated from Master	(3,028,681)		7,293,485		(8,500,933)		25,655,440
Change in net unrealized gains (losses) on open contracts allocated from Master	4,010,938		(12,498,495)		184,031		(30,985,102)
Total trading results allocated from Master	982,257		(5,205,010)		(8,316,902)		(5,329,662)
Net income (loss)	(113,324)		(6,760,885)		(10,694,132)		(8,598,811)
Redemptions-Limited Partners	(15,707,195)		(8,303,226)		(28,128,001)		(15,595,546)
Redemptions-General Partner	(303,697)		(400,810)		(303,697)		(400,810)
Net increase (decrease) in Partners' Capital	(16,124,216)		(15,464,921)		(39,125,830)		(24,595,167)
Partners' Capital, beginning of period	119,488,435		178,874,058		142,490,049		188,004,304
Partners' Capital, end of period	$ 103,364,219		$ 163,409,137		$ 103,364,219		$ 163,409,137
Net asset value per unit (10,891.2965 and 16,307.8855) units outstanding at June 30, 2013 and 2012, respectively)	9,490.53		10,020.25		9,490.53		10,020.25
Net income (loss) per unit	$ (9.04)	[1]	$ (399.29)	[1]	$ (780.78)	[1]	$ (503.89)	[1]
Weighted average units outstanding	12,032.3498		16,854.1498		12,784.5332		17,263.4872

[1] Based on change in net asset value per unit.