Statements of Operations (USD $)	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Equity in Income (Loss) of Joint Ventures	$ 75,814	$ 48,095
Interest and Other Income	3,425	1,747
General and Administrative Expenses	57,583	63,975
Net Income (Loss)	21,656	(14,133)
ClassA Limited Partners [Member]
Net Income (Loss)	79,177
Net Income (Loss) Allocated to:
Limited Partners	79,177	75,276
Net Income (Loss) per Weighted-Average Limited Partner Unit:
Net Income (Loss) per Weighted-Average Limited Partner Unit	0.02	0.02
Weighted-Average Limited Partner Units Outstanding:
Weighted-Average Limited Partner Units Outstanding	3,273,890	3,263,890
Class B Limited Partners [Member]
Net Income (Loss)	(57,738)
Net Income (Loss) Allocated to:
Limited Partners	(57,738)	(89,409)
Net Income (Loss) per Weighted-Average Limited Partner Unit:
Net Income (Loss) per Weighted-Average Limited Partner Unit	(0.26)	(0.38)
Weighted-Average Limited Partner Units Outstanding:
Weighted-Average Limited Partner Units Outstanding	226,110	236,110
General Partner [Member]
Net Income (Loss)	217
Net Income (Loss) Allocated to:
General Partners	$ 217	$ 0