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)	515,305	384,666	130,133	506
Partners' Capital, end of period at Sep. 30, 2011	$ 10,861,108	$ 10,641,060	$ 219,542	$ 506
Limited Partners' Capital Account, Units Outstanding, end of period at Sep. 30, 2011		3,263,890	236,110