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Inventories and major vendors | 12 Months Ended
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Oct. 31, 2017
Inventory Disclosure [Abstract] |
Inventories and major vendors | Note 4 - 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. In June 2015, the Company acquired Rel-Tech, a company that valued its inventories using specific identification (last purchase price) on a FIFO basis. As of July 31, 2016, Rel-Tech values its inventory cost using the weighted average cost of accounting. Inventories consist of the following (in thousands):
|  | 2017 |  | 2016 |
Raw materials and supplies |  | $ | 2,520 |  | $ | 2,642 |
Work in process |  |  | 194 |  |  | 279 |
Finished goods |  |  | 3,395 |  |  | 3,101 |
Totals |  | $ | 6,109 |  | $ | 6,022 |
Purchases of inventory from two major vendors during fiscal 2017 represented 7% and 5%, respectively, of total inventory purchases compared to two major vendors who represented 9% and 6%, respectively, of total inventory purchases in fiscal 2016. The Company has arrangements with these vendors to purchase product based on purchase orders periodically issued by the Company.

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- Definition The entire disclosure for inventory. Includes, but is not limited to, the basis of stating inventory, the method of determining inventory cost, the classes of inventory, and the nature of the cost elements included in inventory. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 330 -URI http://asc.fasb.org/topic&trid=2126998 + Details
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