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Note 4 - Inventories (Tables)
9 Months Ended
Sep. 30, 2020
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
  

Inventory as of

 

(in thousands)

 

September 30, 2020

  

December 31, 2019

 

Unprocessed

 $188,264  $220,787 

Processed and finished

  44,633   52,744 

Totals

 $232,897  $273,531