Investment Properties and Properties Held For Sale (Details Textual) (USD $)	0 Months Ended			3 Months Ended			9 Months Ended						0 Months Ended		9 Months Ended	12 Months Ended
	Nov. 15, 2009	Nov. 12, 2009	Sep. 30, 2009	Sep. 30, 2012 Property Location	Sep. 30, 2011	Jun. 30, 2011	Sep. 30, 2012 Property Location	Sep. 30, 2011	Dec. 31, 2011	Oct. 12, 2011 sqft	Dec. 31, 2010	Nov. 30, 2010 sqft	Apr. 23, 2012 Industrial Property [Member]	Feb. 14, 2012 Industrial Property [Member]	Sep. 30, 2012 Industrial Property [Member] Contract Property	Dec. 31, 2011 Industrial Property [Member]	May 22, 2012 Industrial Property [Member]	Sep. 30, 2012 Property [Member] Property	Sep. 30, 2012 Wendy's restaurants [Member] Property	Nov. 30, 2010 Wendy's restaurants [Member] sqft	Sep. 30, 2012 An Applebee restaurant [Member] Property	Sep. 30, 2012 KFC Restaurant [Member] Property	Sep. 30, 2012 Daytona's All Sports cafe [Member] Property
Investment Properties and Properties Held for Sale (Textual) [Abstract]
Property leased to fully constructed fast-food restaurants				12			12								13			1	9		1	1	1
Location of properties				6			6
Reduction in carrying amount of the vacant Phoenix, AZ property						$ 540,118										$ 390,117
Estimated fair value															150,000
Property held for sale in the condensed financial statements															149,000
Land															123,000
Building, net of accumulated depreciation															27,000
Security deposits				70,440			70,440		70,440						9,300
Rents and other receivables				219,200			219,200		430,048						300
Prepaid insurance				491			491		4,910						2,300
Accounts payable and accrued expenses				34,868			34,868		14,586						1,400
Property tax payable				29,208			29,208		28,134						11,400
Sale price of Property	450,000	450,000	520,000											325,000
Earnest money deposits														25,000
Non refundable feasibility															30 days
Extension fee													2,500
Deposit prior to expiration of feasibility																	2,500
Contract execution date															210
Estimated closing costs															30,000
Net book value for the vacant property				4,187,463			4,187,463		4,300,042
Purchase offer to the Partnership in connection												177,000
Land acquisition												5,000								44,000
Construction of planned road improvements										5,000
Compensation for taking of property												177,000
Net book value of land											33,991
Partnership recognized losses from discontinued operations				$ 10,000	$ 111,000		$ 33,000	$ 623,000