XML 34 R22.htm IDEA: XBRL DOCUMENT v3.20.2
2. Inventories (Tables)
9 Months Ended
Sep. 30, 2020
Inventory Disclosure [Abstract]  
Schedule of inventories
    As of  
    September 30, 2020     December 31, 2019  
Raw materials   $ 1,678     $ 2,566  
Work-in-progress     1,365       1,455  
Finished goods     1,773       2,497  
Total inventories   $ 4,816     $ 6,518