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Note 10 - Revenue Recognition (Tables)

9 Months Ended

Jul. 31, 2019

Notes Tables

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

		Three months ended								Nine months ended
		July 31,								July 31,
		2019				2018				2019				2018
United States		$	14,421,221			$	20,280,006			$	43,460,603			$	58,013,199
Outside the United States			2,945,847				2,836,578				9,614,308				9,542,114
Total net sales		$	17,367,068			$	23,116,584			$	53,074,911			$	67,555,313

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://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 41
-Subparagraph a
-URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e9038-108599

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Period Type:	duration

X

- References

No definition available.

+ Details

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