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Salary and Employee Benefits - Schedule of Salary and Employee Benefits (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Retirement Benefits [Abstract]        
Employee stock compensation     $ 304 $ 1,093
Salaries (except R&D)     3,651 3,273
R&D salaries     1,017 714
Bonuses     81 95
Commissions     2,613 2,588
Total $ 2,581 $ 2,700 $ 7,666 $ 7,763