Note 5 - Product Warranties

3 Months Ended

Jan. 31, 2018

(

)

Product Warranties

As of

January 31, 2018

and

October

31,

2017,

the Company’s accrual for estimated product warranty claims totaled

$140,000

and

$180,000,

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

three

months ended

January 31, 2018

and

2017

totaled

$41,996

and

$47,855,

respectively.

The following table summarizes the changes in the Company

’s accrual for product warranties during the

three

months ended

January 31, 2018

and

2017:

	Three Months Ended
	January 31,
	2018			2017
Balance at beginning of period	$	180,000		$	70,000
Liabilities accrued for warranties issued during the period		120,308			71,161
Warranty claims and costs paid during the period		(81,996	)		(32,855	)
Changes in liability for pre-existing warranties during the period		(78,312	)		(23,306	)
Balance at end of period	$	140,000		$	85,000