XML 30 R19.htm IDEA: XBRL DOCUMENT v3.8.0.1
Note 3 - Inventories (Tables)
9 Months Ended
Sep. 30, 2017
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
   
Inventory as of
 
(in thousands)
 
September 30, 2017
   
December 31, 2016
 
Unprocessed
  $
232,123
    $
203,256
 
Processed and finished
   
48,100
     
51,270
 
Totals
  $
280,223
    $
254,526