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Note 3 - Allowance for Doubtful Accounts for Trade Accounts Receivable (Details) - Summary of Changes in the Allowance for Doubtful Accounts for Trade Accounts Receivable (USD $)
9 Months Ended
Jul. 31, 2014
Jul. 31, 2013
Summary of Changes in the Allowance for Doubtful Accounts for Trade Accounts Receivable [Abstract]    
Balance at beginning of period $ 74,073 $ 92,148
Bad debt expense 18,655 42,929
Recoveries added to allowance   387
Balance at end of period $ 92,728 $ 135,464