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Note 10 - Business and Credit Concentrations, Major Customers and Geographic Information (Tables)

12 Months Ended

Oct. 31, 2017

Notes Tables

Revenue from External Customers by Geographic Areas [Table Text Block]

		Years ended October 31,
		2017				2016				2015
United States		$	51,558,474			$	51,379,528			$	57,402,020
Outside the United States			12,534,374				13,236,473				16,166,718
Total net sales		$	64,092,848			$	64,616,001			$	73,568,738

X

- Definition

Tabular disclosure of revenue from external customers by geographic areas attributed to the entity's country of domicile and to foreign countries from which the entity derives revenue.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 41
-Subparagraph a
-URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e9038-108599

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Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_TableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration