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Inventories (Tables)
6 Months Ended
Apr. 30, 2013
Inventories [Abstract]  
Components Of Inventories
    April 30,   October 31,
    2013   2012
 
Finished goods $ 5,599,845 $ 5,909,892
Work in process   4,381,781   3,220,423
Raw materials   9,303,526   9,106,277
Production supplies   183,192   227,427
Total $ 19,468,344 $ 18,464,019