Deferred Financing Costs - Additional Information (Detail) (USD $)	6 Months Ended	125 Months Ended
	Jun. 30, 2013	Jun. 30, 2013	Dec. 31, 2012
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Line Items]
Deferred financing costs	$ 112,515	$ 112,515	$ 211,479
Deferred financing costs, amortized	$ 98,964	$ 681,981