XML 22 R12.htm IDEA: XBRL DOCUMENT v3.21.1
Inventories
3 Months Ended
Mar. 31, 2021
Inventory Disclosure [Abstract]  
Inventories InventoriesInventories at March 31, 2021 and December 31, 2020 consisted of the following:
(in thousands)March 31, 2021December 31, 2020
Raw material$3,267 $3,100 
Work-in-process7,900 7,079 
Finished goods10,846 13,288 
Supplies716 1,112 
Total inventories$22,729 $24,579