Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets, Net - Summary of Future Estimated Annual Amortization Expense (Detail)

v3.8.0.1
Intangible Assets, Net - Summary of Future Estimated Annual Amortization Expense (Detail) - USD ($)
$ in Thousands
Sep. 30, 2017
Dec. 31, 2016
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]    
2017 $ 47  
2018 185  
2019 100  
2020 100  
2021 100  
Thereafter 166  
Net Carrying Amount $ 698 $ 969