Condensed Statements of Operations (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Gain (loss) on trading of commodity futures contracts:
Realized gain (loss) on closed positions	$ 2,395,300	$ (12,161,650)	$ (7,653,100)
Change in unrealized gain (loss) on open positions	1,996,630	7,676,740	(6,408,260)
Dividend income	4,719	4,189	4,110
Interest income	4,481	7,257	2,028
Other income	9,450	10,500	5,350
Total income (loss)	4,410,580	(4,462,964)	(14,049,872)
Expenses
General Partner management fees (Note 3)	250,075	283,719	239,340
Professional fees	150,502	125,273	151,075
Brokerage commissions	8,360	14,360	7,002
Other expenses	12,621	11,379	11,374
Total expenses	421,558	434,731	408,791
Expense waiver (Note 3)	(100,580)	(68,503)	(113,169)
Net expenses	320,978	366,228	295,622
Net income (loss)	$ 4,089,602	$ (4,829,192)	$ (14,345,494)
Net income (loss) per limited partnership share	$ 1.09	$ (3.98)	$ (13.81)
Net income (loss) per weighted average limited partnership share	$ 2.19	$ (2.26)	$ (13.80)
Weighted average limited partnership shares outstanding	1,866,712	2,132,514	1,039,452