Quarterly report pursuant to Section 13 or 15(d)

Inventory (Details)

v3.22.1
Inventory (Details) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Inventory Disclosure [Abstract]    
Raw materials $ 469 $ 463
Work-in-process 483 539
Finished goods 1,251 1,412
Subtotal inventory 2,204 2,414
Inventory obsolescence reserve (438) (438)
Total Inventory $ 1,766 $ 1,976