Deferred Financing Costs - Additional Information (Detail) (USD $)	3 Months Ended	9 Months Ended		128 Months Ended
	Sep. 30, 2013	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Line Items]
Loss on debt extinguishment	$ (2,518,912)	$ (2,518,912)		$ (906,472)
Deferred financing costs, amortized		125,248	24,710	708,265
Deferred Financing Costs
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Line Items]
Loss on debt extinguishment	(86,231)	(86,231)
Deferred financing costs, amortized		$ 125,248