Investment Properties and Properties Held for Sale - Components of Discontinued Operations Included in Statements of Income (Detail) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Revenues
Rental Income	$ 27,750	$ 59,679	$ 60,804
Other Income	0	0	2,500
Total Revenues	27,750	59,679	63,304
Expenses
Insurance	328	0	2,555
Bad Debt Expense	25,482	0	0
Professional services	0	0	2,060
Property tax expense	12,770	0	12,546
Maintenance expense	306	0	15,745
Property impairment write-up	0	0	(142,747)
Depreciation	7,653	14,750	14,750
Amortization	743	1,782	1,782
Other expenses	0	0	3,100
Total Expenses (Income)	47,282	16,532	(90,209)
Net (Loss) Income from Rental Operations	(19,532)	43,147	153,513
Net Gain on Sale of Properties	227,943	0	0
Net Income from Discontinued Operations	$ 208,411	$ 43,147	$ 153,513