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Allowance For Doubtful Accounts For Trade Accounts Receivable (Summary Of Changes In The Allowance For Doubtful Accounts For Trade Accounts Receivable) (Details) (USD $)	9 Months Ended
	Jul. 31, 2012	Jul. 31, 2011
Allowance For Doubtful Accounts For Trade Accounts Receivable [Abstract]
Balance at beginning of period	$ 145,616	$ 120,450
Bad debt expense (recovery)	(8,958)	21,831
Losses charged to allowance	(34,577)	(3,930)
Balance at ending of period	$ 102,081	$ 138,351

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- Details

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Balance Type:	na
Period Type:	duration

X

- Definition

Amount of direct write-downs of receivables charged against the allowance for doubtful accounts.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
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Period Type:	duration

X

- Definition

A valuation allowance for trade and other receivables due to an Entity within one year (or the normal operating cycle, whichever is longer) that are expected to be uncollectible.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5074-111524



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 4

-Article 5



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.4)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Balance Type:	credit
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X

- Definition

Amount of recoveries of receivables doubtful of collection that were previously charged off.

+ References

No definition available.

+ Details

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