Commitments and Contingencies - Additional Information (Detail) - USD ($)	1 Months Ended		9 Months Ended
	Sep. 30, 2014	Aug. 31, 2014	Sep. 30, 2015
Other Long Term Assets
Commitments and Contingencies Disclosure [Line Items]
Operating Leases, Rent Expense			$ 275,000
5-year operating lease agreement
Commitments and Contingencies Disclosure [Line Items]
Base rent, per month		$ 7,350
7-year operating lease agreement
Commitments and Contingencies Disclosure [Line Items]
Base rent, per month	$ 37,792