XML 49 R37.htm IDEA: XBRL DOCUMENT v3.22.2
Note 10 - Inventories (Tables)
6 Months Ended
Jun. 30, 2022
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
  

June 30,

  

December 31,

 
  

2022

  

2021

 

Finished goods

 $34,306  $34,899 

Raw materials, equipment spares and consumables

  88,658   76,025 

Work-in-progress

  20,308   14,192 

Total

 $143,272  $125,116