Quarterly report pursuant to Section 13 or 15(d)

Share-Based Compensation (Details)

v3.10.0.1
Share-Based Compensation (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]        
Share-based compensation expenses related to restricted stock grants $ 57 $ 56 $ 114 $ 107