Note 5 - Product Warranties

3 Months Ended

Jan. 31, 2016

Product Warranty Disclosure [Text Block]

(5)	Product Warranties

As of January 31, 2016 and October 31, 2015, the Company’s accrual for estimated product warranty claims totaled $90,000 and $130,000, respectively, and is included in accounts payable and accrued expenses. Warranty claims expense for the three months ended January 31, 2016 and 2015 totaled $12,730 and $39,079, respectively.

The following table summarizes the changes in the Company’s accrual for product warranties during the three months ended January 31, 2016 and 2015:

	Three Months Ended
	January 31,
	2016			2015
Balance at beginning of period	$	130,000		$	100,000
Liabilities accrued for warranties issued during the period		73,968			86,639
Warranty claims and costs paid during the period		(52,730	)		(34,079	)
Changes in liability for pre-existing warranties during the period		(61,238	)		(47,560	)
Balance at end of period	$	90,000		$	105,000