XML 64 R50.htm IDEA: XBRL DOCUMENT v3.20.4
Note 5 - Inventories - Components of Inventories (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Raw materials $ 20,631 $ 26,772
Work-in-process 1,416 1,579
Finished goods 5,489 683
Supplies 1,641 1,620
Total inventories $ 29,177 $ 30,654