Note 5 - Product Warranties

9 Months Ended

Jul. 31, 2018

Notes to Financial Statements

Product Warranty Disclosure [Text Block]

( 5 ) Product Warranties

As of

July 31, 2018

and

October 

31,

2017,

the Company’s accrual for estimated product warranty claims totaled

$165,000

and

$180,000,

respectively, and is included in accounts payable and accrued expenses. Warranty claims expense for the

three

months and

nine

months ended

July 31, 2018

totaled

$8,196

and

$142,377,

respectively. Warranty claims expense for the

three

months and

nine

months ended

July 31, 2017

totaled

$96,927

and

$178,565,

respectively.

The following table summarizes the changes in the Company’s accrual for product warranties during the

nine

months ended

July 31, 2018

and

2017:

	Nine Months Ended
	July 31,
	2018			2017
Balance at beginning of period	$	180,000		$	70,000
Liabilities accrued for warranties issued during the period		165,269			176,113
Warranty claims and costs paid during the period		(157,377	)		(93,565	)
Changes in liability for pre-existing warranties during the period		(22,892	)		2,452
Balance at end of period	$	165,000		$	155,000