Note 5 - Product Warranties

6 Months Ended

Apr. 30, 2016

Product Warranty Disclosure [Text Block]

(5)	Product Warranties

As of April 30, 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 six months ended April 30, 2016 totaled $10,952 and $23,682, respectively. Warranty claims expense for the three months and six months ended April 30, 2015 totaled $117,336 and $156,415, respectively.

The following table summarizes the changes in the Company’s accrual for product warranties during the six months ended April 30, 2016 and 2015:

	Six Months Ended
	April 30,
	2016			2015
Balance at beginning of period	$	130,000		$	100,000
Liabilities accrued for warranties issued during the period		80,506			185,083
Warranty claims and costs paid during the period		(78,682	)		(106,415	)
Changes in liability for pre-existing warranties during the period		(56,824	)		(28,668	)
Balance at end of period	$	75,000		$	150,000