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Note 2 - Inventories
6 Months Ended
Jun. 30, 2023
Notes to Financial Statements  
Inventory Disclosure [Text Block]

2.

Inventories

 

Inventories consist of the following (in thousands):

 

   

June 30, 2023

   

December 31, 2022

 
                 

Raw materials

  $ 58,754     $ 47,978  

Work-in-process

    8,851       5,114  

Finished goods

    14,789       15,773  

Supplies

    2,185       2,164  

Total inventories

  $ 84,579     $ 71,029