Property and Equipment Net - Schedule of Property and Equipment (Detail) - USD ($)	Dec. 31, 2015	Dec. 31, 2014
Property Plant And Equipment [Line Items]
Total property and equipment	$ 618,000
Accumulated depreciation and amortization	(80,000)
Property and equipment, net	538,000	$ 0
Computer Equipment and Software [Member]
Property Plant And Equipment [Line Items]
Total property and equipment	458,000
Furniture and Fixtures [Member]
Property Plant And Equipment [Line Items]
Total property and equipment	105,000
Leasehold Improvements [Member]
Property Plant And Equipment [Line Items]
Total property and equipment	$ 55,000