Investment Properties and Properties Held for Sale - Components of Discontinued Operations Included in Condensed Statement of Income (Loss) (Detail) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Revenues:
Rental income	$ 0	$ 0	$ 0	$ 0
Other income	0	0	0	2,500
Net Gain on sale of condemned land	0	0	307,270	0
Total Revenues	0	0	307,270	2,500
Expenses:
Insurance expense	0	698	0	2,078
Professional services	0	20	0	2,060
Property tax expense	0	3,785	0	11,356
Other property expenses	0	5,640	0	20,070
Legal Expenses	0	0	2,774	0
Travel Expenses	0	0	1,792	0
Total Expenses	0	10,144	4,566	35,564
Net Income (Loss) from Discontinued Operations	$ 0	$ (10,144)	$ 302,704	$ (33,064)