Note 5 - Product Warranties

9 Months Ended

Jul. 31, 2017

(

)

Product Warranties

As of

July 31, 2017

and

October

31,

2016,

the Company’s accrual for estimated product warranty claims totaled

$155,000

and

$70,000,

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

three

months and

nine

months ended

July 31, 2017

totaled

$96,927

and

$178,565,

respectively. Warranty claims expense for the

three

months and

nine

months ended

July 31, 2016

totaled

$34,042

and

$57,724,

respectively.

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

nine

months ended

July 31, 2017

and

2016:

	Nine Months Ended
	July 31,
	2017			2016
Balance at beginning of period	$	70,000		$	130,000
Liabilities accrued for warranties issued during the period		176,113			117,437
Warranty claims and costs paid during the period		(93,565	)		(112,724	)
Changes in liability for pre-existing warranties during the period		2,452			(59,713	)
Balance at end of period	$	155,000		$	75,000