Annual report pursuant to Section 13 and 15(d)

INVENTORY (Details)

v3.20.4
INVENTORY (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Inventory [Line Items]    
Raw materials $ 4,923 $ 4,503
Work in process 785 415
Finished goods 3,132 5,053
Total gross inventory 8,840 9,971
Inventory write-down 300 200
Outside the United States    
Inventory [Line Items]    
Total gross inventory $ 0 $ 300