Quarterly report pursuant to Section 13 or 15(d)

4. INVENTORY (Details)

v3.21.1
4. INVENTORY (Details) - USD ($)
$ in Thousands
Mar. 31, 2021
Dec. 31, 2020
Inventory Disclosure [Abstract]    
Raw materials $ 11,264 $ 7,950
Work in process 0 0
Finished goods 2,624 1,983
Total inventory $ 13,888 $ 9,933