Statements of Operations (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Equity in Income of Joint Ventures	$ 79,832	$ 540,268	$ 155,646	$ 588,363
Interest and Other Income	1,785	2,271	5,210	4,018
General and Administrative Expenses	44,127	40,693	101,710	104,668
Net Income	37,490	501,846	59,146	487,713
Class A Limited Partners
Net Income			(31,642)
Net Income (Loss) Allocated to:
Limited Partners	(110,819)	221,677	(31,642)	296,953
Net Income (Loss) per Weighted-Average Limited Partner Unit:
Net Income (Loss) per Weighted-Average Limited Partner Unit (in dollars per unit)	(0.03)	0.07	(0.01)	0.09
Weighted-Average Limited Partner Units Outstanding:
Weighted-Average Limited Partner Units Outstanding (in units)	3,273,890	3,263,890	3,273,890	3,263,890
Class B Limited Partners
Net Income			90,196
Net Income (Loss) Allocated to:
Limited Partners	147,934	279,946	90,196	190,537
Net Income (Loss) per Weighted-Average Limited Partner Unit:
Net Income (Loss) per Weighted-Average Limited Partner Unit (in dollars per unit)	0.65	1.19	0.40	0.81
Weighted-Average Limited Partner Units Outstanding:
Weighted-Average Limited Partner Units Outstanding (in units)	226,110	236,110	226,110	236,110
General Partners
Net Income			592
Net Income (Loss) Allocated to:
General Partners	$ 375	$ 223	$ 592	$ 223