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Inventories and major vendors
6 Months Ended
Apr. 30, 2018
Inventory Disclosure [Abstract]  
Inventories and major vendors
Note 3 - Inventories and major vendors
 
Inventories, consisting of materials, labor and manufacturing overhead, are stated at the lower of cost or market. Cost has been determined using the weighted average cost method. Inventories consist of the following (in thousands): 
 
 
 
April 30, 2018
 
October 31, 2017
 
 
 
 
 
 
 
 
 
Raw materials and supplies
 
$
2,850
 
$
2,520
 
Work in process
 
 
471
 
 
194
 
Finished goods
 
 
3,754
 
 
3,395
 
 
 
 
 
 
 
 
 
Totals
 
$
7,075
 
$
6,109
 
 
One vendor accounted for 46% of inventory purchases for the three months ended April 30, 2018. This same vendor accounted for 38% of inventory purchases for the six months ended April 30, 2018. One vendor accounted for 14% of inventory purchases for the three months ended April 30, 2017. No vendor accounted for greater than 10% of inventory purchases for the six months ended April 30, 2017. The Company has arrangements with these vendors to purchase products based on purchase orders periodically issued by the Company.