XML 47 R36.htm IDEA: XBRL DOCUMENT v3.20.2
Inventories (Details) - USD ($)
$ in Thousands
Jun. 30, 2020
Dec. 31, 2019
Inventory Disclosure [Abstract]    
Raw materials $ 2,272 $ 2,300
Work in process 279 215
Finished goods 153 262
Inventories $ 2,704 $ 2,777