Investment Properties and Properties Held for Sale - Components of Discontinued Operations Included in Condensed Statement of Income (Loss) (Detail) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Revenues:
Rental income	$ 0	$ 0	$ 0	$ 0
Other income	0	2,500	0	2,500
Net Gain on sale of condemned land	307,270	0	307,270	0
Total Revenues	307,270	2,500	307,270	2,500
Expenses:
Insurance expense	0	690	0	1,381
Professional services	0	480	0	2,040
Property tax expense	0	3,786	0	7,571
Other property expenses	0	7,063	0	14,429
Legal Expenses	2,774	0	2,774	0
Travel Expenses	158	0	1,792	0
Total Expenses	2,932	12,019	4,566	25,421
Net Income (Loss) from Discontinued Operations	$ 304,338	$ (9,519)	$ 302,704	$ (22,921)