Annual report pursuant to Section 13 and 15(d)

Share-based Compensation - Stock Based Compensation (Detail)

v3.6.0.2
Share-based Compensation - Stock Based Compensation (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Share-based Compensation [Abstract]    
Restricted share expense $ 151 $ 107
Stock option expense 311 889
Total stock-based compensation expense $ 462 $ 996