Note 12 - Income Taxes - Unrecognized Tax Benefits (Details) - USD ($)	12 Months Ended
Oct. 31, 2016	Oct. 31, 2015
Unrecognized tax benefits balance at beginning of year	$ 79,322	$ 168,756
Gross decreases for tax positions of prior years	(1,000)	(88,050)
Settlements with taxing authorities		(1,384)
Unrecognized tax benefits balance at end of year	$ 78,322	$ 79,322

Amount of unrecognized tax benefits.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15A
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=65882285&loc=SL6600010-109319

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Unrecognized Tax Benefit
-URI http://asc.fasb.org/extlink&oid=6527854

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Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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Amount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities.

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