Condensed Consolidated Balance Sheets (Parenthetical) (USD $)	Apr. 30, 2013	Oct. 31, 2012
Condensed Consolidated Balance Sheets [Abstract]
Trade accounts receivable, allowance for doubtful accounts	$ 74,779	$ 92,148
Preferred stock, no par value
Preferred stock, shares authorized	1,000,000	1,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, no par value
Common stock, shares authorized	50,000,000	50,000,000
Common stock, shares issued	6,243,206	6,411,592
Common stock, shares outstanding	6,243,206	6,411,592

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.

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