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)

v3.20.2
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 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Stock-based compensation $ 48 $ 36 $ 92 $ 84
Employee Stock Options [Member]        
Stock-based compensation 33 36 65 79
Director Stock Options [Member]        
Stock-based compensation $ 15 $ 27 $ 5