XML 37 R26.htm IDEA: XBRL DOCUMENT v3.19.2
Note 5 - Inventories (Tables)
6 Months Ended
Jun. 30, 2019
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
   
Inventory as of
 
(in thousands)
 
June 30, 2019
   
December 31, 2018
 
Unprocessed
  $
237,765
    $
306,953
 
Processed and finished
   
50,418
     
61,785
 
Totals
  $
288,183
    $
368,738