Note 5 - Product Warranties

9 Months Ended

Jul. 31, 2016

Product Warranty Disclosure [Text Block]

(5)	Product Warranties

As of July 31, 2016 and October 31, 2015, the Company’s accrual for estimated product warranty claims totaled $75,000 and $130,000, respectively, and is included in accounts payable and accrued expenses. Warranty claims expense for the three months and nine months ended July 31, 2016 totaled $34,042 and $57,724, respectively. Warranty claims expense for the three months and nine months ended July 31, 2015 totaled $73,228 and $229,643, respectively.

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

	Nine Months Ended
	July 31,
	2016			2015
Balance at beginning of period	$	130,000		$	100,000
Liabilities accrued for warranties issued during the period		117,437			205,376
Warranty claims and costs paid during the period		(112,724	)		(134,643	)
Changes in liability for pre-existing warranties during the period		(59,713	)		24,267
Balance at end of period	$	75,000		$	195,000