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Note 5 - Product Warranties (Tables)

6 Months Ended

Apr. 30, 2018

Notes Tables

Schedule of Product Warranty Liability [Table Text Block]

		Six Months Ended
		April 30,
		2018				2017
Balance at beginning of period		$	180,000			$	70,000
Liabilities accrued for warranties issued during the period			179,494				101,824
Warranty claims and costs paid during the period			(119,181	)			(56,638	)
Changes in liability for pre-existing warranties during the period			(45,313	)			(20,186	)
Balance at end of period		$	195,000			$	95,000

X

- Definition

Tabular disclosure of the changes in the guarantor's aggregate product warranty liability, including the beginning balance of the aggregate product warranty liability, the aggregate reductions in that liability for payments made (in cash or in kind) under the warranty, the aggregate changes in the liability for accruals related to product warranties issued during the reporting period, the aggregate changes in the liability for accruals related to preexisting warranties (including adjustments related to changes in estimates), and the ending balance of the aggregate product warranty liability.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=68068213&loc=d3e12565-110249

+ Details

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X

- References

No definition available.

+ Details

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