XML 58 R48.htm IDEA: XBRL DOCUMENT v3.21.2
Inventories (Details) - USD ($)
$ in Thousands
Jun. 30, 2021
Dec. 31, 2020
Components of inventories    
Raw materials $ 13,120 $ 13,957
Work in process 3,560 3,996
Finished goods 5,620 6,721
Inventories, net $ 22,300 $ 24,674