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 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Stock-based compensation $ 69 $ 45 $ 161 $ 129
Employee Stock Options [Member]        
Stock-based compensation 34 35 99 114
Director Stock Options [Member]        
Stock-based compensation $ 35 $ 10 $ 62 $ 15