Deferred Financing Cost - Additional Information (Detail) (USD $)	3 Months Ended	9 Months Ended	116 Months Ended
	Sep. 30, 2012	Sep. 30, 2012	Sep. 30, 2012
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Line Items]
Deferred financing costs	$ 245,408	$ 245,408	$ 245,408
Deferred financing costs, current	$ 24,710	$ 24,710	$ 549,088