Note 5 - Product Warranties

6 Months Ended

Apr. 30, 2018

(

)

Product Warranties

As of

April 30, 2018

and

October

31,

2017,

the Company’s accrual for estimated product warranty claims totaled

$195,000

and

$180,000,

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

three

months and

six

months ended

April 30, 2018

totaled

$92,185

and

$134,181,

respectively. Warranty claims expense for the

three

months and

six

months ended

April 30, 2017

totaled

$33,783

and

$81,638,

respectively.

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

six

months ended

April 30, 2018

and

2017:

	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