Discontinued Operations (Detail) - Discontinued operations (USD $)	3 Months Ended
Mar. 31, 2013	Mar. 31, 2012
Rental Income	$ 0	$ 9,315
Gain on Disposal of Real Estate	0	277,992
Income from Discontinued Operations	$ 0	$ 287,307

Amount of gain (loss), after tax expense or benefit and not previously recognized, resulting from the sale of a business component.

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Overall income (loss) from a disposal group that is classified as a component of the entity, before income tax, reported as a separate component of income before extraordinary items. Includes the following (before income tax): income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal.

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