Investment Properties and Properties Held for Sale - Components of Discontinued Operations Included in Statements of Income (Loss) (Detail) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Revenues:
Rental income	$ 0	$ 11,100	$ 0	$ 27,750
Total Revenues	0	11,100	0	27,750
Expenses:
Bad debt expense	0	31,116	0	31,116
Insurance expense	0	235	0	235
Property tax expense	0	1,629	0	1,629
Other property expenses	(75)	306	67	306
Legal expenses	0	0	0	0
Depreciation & amortization	0	3,984	0	8,117
Total Expenses	(75)	37,270	67	41,403
Net Income (Loss) from Discontinued Operations	$ 75	$ (26,170)	$ (67)	$ (13,653)