Quarterly report pursuant to Section 13 or 15(d)

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

v3.19.3
Capital Stock, Stock Plans and Stock-Based Compensation - Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Allocated stock-based compensation $ 45 $ 52 $ 129 $ 143
Employee Stock Options [Member]        
Allocated stock-based compensation 35 37 114 110
Director Stock Options [Member]        
Allocated stock-based compensation $ 10 $ 15 $ 15 $ 33