XML 58 R47.htm IDEA: XBRL DOCUMENT v3.22.0.1
Inventories (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Components of inventories    
Raw materials $ 15,772 $ 13,957
Work in process 4,035 3,996
Finished goods 4,833 6,721
Inventories $ 24,640 $ 24,674