Deferred Financing Costs - Additional Information (Detail) (USD $)	3 Months Ended	122 Months Ended
	Mar. 31, 2013	Mar. 31, 2013	Dec. 31, 2012
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Line Items]
Deferred financing costs	$ 158,540	$ 158,540	$ 211,479
Deferred financing costs, amortized	$ 52,939	$ 635,956