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Components of Inventories (Detail) (USD $)
In Thousands, unless otherwise specified
Oct. 31, 2014
Oct. 31, 2013
Inventory [Line Items]    
Raw materials and supplies $ 1,784us-gaap_InventoryRawMaterialsAndSupplies $ 1,842us-gaap_InventoryRawMaterialsAndSupplies
Work in process 12us-gaap_InventoryWorkInProcess 15us-gaap_InventoryWorkInProcess
Finished goods 3,463us-gaap_InventoryFinishedGoods 4,067us-gaap_InventoryFinishedGoods
Totals $ 5,259us-gaap_InventoryNet $ 5,924us-gaap_InventoryNet