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	$ 6,817,234	$ 6,814,994	$ 2,240	$ 0
Limited Partners' Capital Account, Units Outstanding, beginning of period at Dec. 31, 2009		2,954,079	249,187
Increase (Decrease) in Partners' Capital [Roll Forward]
Class A Conversion Elections, Units		(5,400)	5,400
Class A Conversion Elections, Amounts		(12,148)	12,148
Class B Conversion Elections, Units		1,300	(1,300)
Class B Conversion Elections, Amounts		0	0
Net Income (Loss)	(5,451)	8,934	(14,388)	3
Distributions of Operating Cash Flow	(162,945)	(162,945)
Partners' Capital, end of period at Dec. 31, 2010	6,648,838	6,648,835	0	3
Limited Partners' Capital Account, Units Outstanding, end of period at Dec. 31, 2010		2,949,979	253,287
Increase (Decrease) in Partners' Capital [Roll Forward]
Net Income (Loss)	20,570	20,107	0	463
Partners' Capital, end of period at Sep. 30, 2011	$ 6,669,408	$ 6,668,942	$ 0	$ 466
Limited Partners' Capital Account, Units Outstanding, end of period at Sep. 30, 2011		2,949,979	253,287