Statements of Partners' Capital (USD $)	Total	ClassA Limited Partners [Member]	Class B Limited Partners [Member]	General Partner [Member]
Partners' Capital, beginning of period at Dec. 31, 2009	$ 10,739,759	$ 10,739,759	$ 0	$ 0
Limited Partners' Capital Account, Units Outstanding, beginning of period at Dec. 31, 2009		3,263,890	236,110
Increase (Decrease) in Partners' Capital [Roll Forward]
Net Income (Loss)	(393,956)	(483,365)	89,409	0
Partners' Capital, end of period at Dec. 31, 2010	10,345,803	10,256,394	89,409	0
Limited Partners' Capital Account, Units Outstanding, end of period at Dec. 31, 2010		3,263,890	236,110
Increase (Decrease) in Partners' Capital [Roll Forward]
Net Income (Loss)	487,713	296,953	190,537	223
Partners' Capital, end of period at Jun. 30, 2011	$ 10,833,516	$ 10,553,347	$ 279,946	$ 223
Limited Partners' Capital Account, Units Outstanding, end of period at Jun. 30, 2011		3,263,890	236,110