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Note 2 - 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

 $97,835  $90,395 

Work in process

  1,008   1,351 

Raw materials

  28,193   28,809 

Inventories

 $127,036  $120,555