Notes Payable - Summary of Effect on Prior Quarterly Periods Due to Amortization Expense Previously Recorded (Detail) (USD $)	3 Months Ended			9 Months Ended
	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Sep. 30, 2013
Debt Disclosure [Abstract]
Amortization expense - Termination Fee Debt Discount	$ 855,049	$ 845,755	$ 288,114	$ 1,988,918