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Inventories (Details) (USD $)
Apr. 30, 2015
Oct. 31, 2014
Inventories [Abstract]    
Raw Materials $ 1,531,749us-gaap_InventoryRawMaterialsNetOfReserves $ 1,653,015us-gaap_InventoryRawMaterialsNetOfReserves
Spare parts and supplies 1,772,742us-gaap_InventoryPartsAndComponentsNetOfReserves 1,603,984us-gaap_InventoryPartsAndComponentsNetOfReserves
Work in Process 757,140us-gaap_InventoryWorkInProcessNetOfReserves 710,583us-gaap_InventoryWorkInProcessNetOfReserves
Finished Goods 491,779us-gaap_InventoryFinishedGoodsNetOfReserves 327,609us-gaap_InventoryFinishedGoodsNetOfReserves
Total $ 4,553,410us-gaap_InventoryNet $ 4,295,191us-gaap_InventoryNet