Statements of Changes in Partners' Capital (Unaudited) (USD $)	Limited Partners [Member]	General Partner [Member]	Total
Partners' Capital at Dec. 31, 2011	$ 58,393,243	$ 715,535	$ 59,108,778
Partners' Capital (in units) at Dec. 31, 2011			6,047,060.764
Increase/(decrease) in Partners' Capital [Roll Forward]
Net Income	1,382,167	15,037	1,397,204
Redemptions	(9,398,780)	(100,100)	(9,498,880)
Redemptions (in units)			(933,823.809)
Partners' Capital at Jun. 30, 2012	50,376,630	630,472	51,007,102
Partner's Capital (in units) at Jun. 30, 2012			5,113,236.955
Partners' Capital at Dec. 31, 2012	42,313,890	520,490	42,834,380
Partners' Capital (in units) at Dec. 31, 2012			4,418,246.715
Increase/(decrease) in Partners' Capital [Roll Forward]
Net Income	4,072,128	47,225	4,119,353
Redemptions	(5,888,121)	(75,009)	(5,963,130)
Redemptions (in units)			(568,400.496)
Partners' Capital at Jun. 30, 2013	$ 40,497,897	$ 492,706	$ 40,990,603
Partner's Capital (in units) at Jun. 30, 2013			3,849,846.219