Accrued Liabilities - Summary of Accrued Liabilities (Detail) - USD ($)	Jun. 30, 2016	Dec. 31, 2015
Accrued Liabilities Current [Abstract]
Payroll and benefits	$ 997,152	$ 789,852
Other	586,400	305,000
Total	$ 1,583,552	$ 1,094,852