Annual report pursuant to Section 13 and 15(d)

Inventories (Details)

v3.20.4
Inventories (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Inventory Disclosure [Abstract]    
Raw materials $ 1,739 $ 2,300
Work in process 270 215
Finished goods 209 262
Inventories $ 2,218 $ 2,777