Annual report pursuant to Section 13 and 15(d)

Capital Stock, Stock Plans and Stock-based Compensation - Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs (Details)

v3.8.0.1
Capital Stock, Stock Plans and Stock-based Compensation - Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Allocated stock-based compensation $ 124 $ 98
Employee Stock Options [Member]    
Allocated stock-based compensation 78 53
Director Stock Options [Member]    
Allocated stock-based compensation $ 46 $ 45