XML 51 R40.htm IDEA: XBRL DOCUMENT v3.20.2
Inventories (Details) - USD ($)
$ in Thousands
Sep. 30, 2020
Dec. 31, 2019
Schedule of inventory [Abstract]    
Raw materials and work-in-process $ 3,071 $ 2,651
Finished goods 431 376
Total inventories $ 3,502 $ 3,027