XML 15 R46.htm IDEA: XBRL DOCUMENT v3.20.1
INVENTORY (Details) - USD ($)
$ in Thousands
Mar. 31, 2020
Dec. 31, 2019
INVENTORY (Details)    
Raw materials $ 2,654 $ 2,400
Work-in-progress 2,630 3,142
Finished goods 746 275
Inventory reserve (1,018) (1,483)
Total inventory $ 5,012 $ 4,334