XML 49 R39.htm IDEA: XBRL DOCUMENT v3.22.1
Note 4 - Inventory - Carrying Values of Inventory (Details) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Finished goods $ 35,741 $ 12,132
Work in process 931 462
Raw materials and supplies 16,256 30,117
Inventory, gross 52,928 42,711
LIFO reserve (15,308) (15,791)
Total inventory $ 37,620 $ 26,920