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Product Warranties - (Narrative) (Details) (USD $)
3 Months Ended
Jan. 31, 2014
Jan. 31, 2013
Oct. 31, 2013
Oct. 31, 2012
Product Warranties Disclosures [Abstract]        
Accrual for estimated product warranty claims $ 160,000 $ 210,000 $ 190,000 $ 250,000
Warranty claims expense 20,539      
Product Warranty Recovery   $ 9,656