Quarterly report pursuant to Section 13 or 15(d)

Inventory (Details)

v3.21.2
Inventory (Details) - USD ($)
$ in Thousands
Sep. 30, 2021
Dec. 31, 2020
Inventory, Net, Items Net of Reserve Alternative [Abstract]    
Raw materials $ 418 $ 521
Work-in-process 40 36
Finished goods 115 170
Total $ 573 $ 727