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Inventories and major vendors (Tables)
6 Months Ended
Apr. 30, 2017
Inventory Disclosure [Abstract]  
Components of Inventories
Inventories consist of the following (in thousands):
 
 
 
April 30, 2017
 
October 31, 2016
 
 
 
 
 
 
 
Raw materials and supplies
 
$
2,880
 
$
2,642
 
Work in process
 
 
330
 
 
279
 
Finished goods
 
 
3,480
 
 
3,101
 
 
 
 
 
 
 
 
 
Totals
 
$
6,690
 
$
6,022