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)

v3.20.1
Capital Stock, Stock Plans and Stock Based Compensation - Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Stock-based compensation $ 44 $ 48
Employee Stock Options [Member]    
Stock-based compensation 32 43
Director Stock Options [Member]    
Stock-based compensation $ 12 $ 5