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Note 4 - Inventories (Tables)
6 Months Ended
Jun. 30, 2021
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
  

Inventory as of

 

(in thousands)

 

June 30, 2021

  

December 31, 2020

 

Unprocessed

 $300,693  $194,614 

Processed and finished

  72,584   45,387 

Totals

 $373,277  $240,001