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TRADE RECEIVABLES, NET (Details) (USD $)
Jul. 31, 2012
Oct. 31, 2011
Trade receivables $ 18,832,775 $ 23,704,241
Less: Sales rebates (1,225,303) (1,681,721)
Less: Allowance for doubtful accounts (477,928) (474,195)
Trade receivables, net $ 17,129,544 $ 21,548,325