Summary of Significant Accounting Policies - Schedule of Change in Level 3 Assets Measured at Fair Value on Non Recurring Basis (Detail) - Measured at fair value on a nonrecurring basis [Member] - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Beginning Balance	$ 300,000	$ 2,134,672
Impairment of investment	$ (300,000)	(1,399,672)
Impairment of deposit		(435,000)
Ending Balance		$ 300,000