Quarterly report pursuant to Section 13 or 15(d)

Inventories (Details)

v3.20.2
Inventories (Details) - USD ($)
$ in Thousands
Jun. 30, 2020
Dec. 31, 2019
Inventories    
Work in process $ 513 $ 810
Finished goods 1,171 544
Total 1,684 $ 1,354
Advance payments for raw materials $ 3,000