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Note 10 - Inventories
12 Months Ended
Dec. 31, 2022
Notes to Financial Statements  
Inventory Disclosure [Text Block]

10.         Inventories

 

Inventories consisted of the following as of  December 31, 2022 and 2021 (in thousands):

 

  

December 31,

  

2022

 

2021

Finished goods

 $26,810 $34,899

Raw materials, equipment spares and consumables

 102,395 76,025

Work-in progress

 24,513 14,192

Total

 $153,718 $125,116