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Note 2 - Inventories (Tables)
9 Months Ended
Sep. 30, 2021
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
  

September 30,

  

December 31,

 
  

2021

  

2020

 

Finished goods

 $86,455  $73,979 

Work in process

  2,288   1,634 

Raw materials

  14,628   14,153 

Inventories

 $103,371  $89,766