Long-Term Debt - Summary of Carrying Value of Long-Term Debt (Detail) - USD ($)	Jun. 30, 2016	Dec. 31, 2015
Debt Disclosure [Abstract]
Current Face Amount	$ 160,400,000
Unamortized Discount on Convertible Debt	(4,688,789)
Loan Costs, net of accumulated amortization	(1,823,833)
Total Long-Term Debt	$ 153,887,378	$ 166,796,853