Annual report pursuant to Section 13 and 15(d)

Income Taxes - Source of Income (Loss) Before Income Taxes (Detail)

v3.6.0.2
Income Taxes - Source of Income (Loss) Before Income Taxes (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Income Tax Disclosure [Abstract]      
Domestic $ (16,926) $ (9,022) $ (9,846)
Loss before income taxes $ (16,926) $ (9,022) $ (9,846)