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Note 4 - Inventories (Tables)
3 Months Ended
Mar. 31, 2021
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
   

Inventory as of

 

(in thousands)

 

March 31, 2021

   

December 31, 2020

 

Unprocessed

  $ 220,466     $ 194,614  

Processed and finished

    57,708       45,387  

Totals

  $ 278,174     $ 240,001