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 Disclosure [Abstract]    
Raw materials $ 333 $ 294
Work-in-process 211 124
Finished goods 529 596
Inventory reserve (268)
Ending inventory $ 805 $ 1,014