XML 50 R40.htm IDEA: XBRL DOCUMENT v3.22.1
Inventory (Details) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Inventory Disclosure [Abstract]    
Raw materials $ 741 $ 735
Work-in-process 35 28
Finished goods 118 164
Total $ 894 $ 927