Investment Properties and Properties Held For Sale (Details Textual) (USD $)	0 Months Ended			3 Months Ended		6 Months Ended						0 Months Ended		6 Months Ended	12 Months Ended
	Nov. 15, 2009	Nov. 12, 2009	Sep. 30, 2009	Jun. 30, 2012 Location Property	Jun. 30, 2011	Jun. 30, 2012 Location Property	Jun. 30, 2011	Dec. 31, 2011	Oct. 12, 2011 sqft	Nov. 30, 2010 sqft	Oct. 31, 2010	Apr. 23, 2012 Industrial Property [Member] D	Feb. 14, 2012 Industrial Property [Member]	Jun. 30, 2012 Industrial Property [Member] D Property	Dec. 31, 2011 Industrial Property [Member]	May 22, 2012 Industrial Property [Member]	Sep. 30, 2011 Property [Member] Property	Jun. 30, 2012 Wendy's restaurants [Member] Property	Nov. 30, 2010 Wendy's restaurants [Member] sqft	Jun. 30, 2012 An Applebee restaurant [Member] Property	Jun. 30, 2012 KFC Restaurant [Member] Property	Jun. 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														152,000
Land														123,000
Building, net of accumulated depreciation														27,000
Security deposits				70,440		70,440		70,440						9,300
Rents and other receivables				25,500		25,500		430,048						400
Prepaid insurance				1,964		1,964		4,910						200
Accounts payable and accrued expenses				19,138		19,138		14,586						700
Property tax payable				32,312		32,312		28,134						7,600
Sale price of Property	450,000	450,000	520,000										325,000
Earnest money deposits													25,000
Non refundable feasibility												30
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				4,224,989		4,224,989		4,300,042						1,500,000
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	$ 537,000	$ 23,000	$ 513,000