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Operating Leases - Additional Information (Detail) (USD $)	3 Months Ended		130 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014
Leases [Abstract]
Period of operating lease	5 years
Deferred rent	$ 175,471	$ 200,947	$ 175,471
Operating leases, rent expense	$ 96,319	$ 80,989	$ 2,853,503

The cumulative difference between the rental payments required by a lease agreement and the rental income or expense recognized on a straight-line basis, or other systematic and rational basis more representative of the time pattern in which use or benefit is granted or derived from the leased property, expected to be recognized in income or expense over the term of the leased property, by the lessor or lessee, respectively. Such receivable is reduced by allowances attributable to, for instance, credit risk associated with a lessee.

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