Note 5 - Product Warranties

9 Months Ended

Jul. 31, 2014

Product Warranties Disclosures [Abstract]

Product Warranty Disclosure [Text Block]

(5) Product Warranties

As of July 31, 2014 and October 31, 2013, the Company’s accrual for estimated product warranty claims totaled $135,000 and $190,000, respectively, and is included in accounts payable and accrued expenses. Warranty claims expense for the three months and nine months ended July 31, 2014 totaled $86,430 and $195,965, respectively, and warranty claims expense for the three months and nine months ended July 31, 2013 totaled $80,085 and $161,725, respectively.

The following table summarizes the changes in the Company’s accrual for product warranties during the nine months ended July 31, 2014 and 2013:

	Nine Months Ended
	July 31,
	2014			2013
Balance at beginning of period	$	190,000		$	250,000
Liabilities accrued for warranties issued during the period		299,477			319,638
Warranty claims and costs paid during the period		(250,965	)		(211,725	)
Changes in liability for pre-existing warranties during the period		(103,512	)		(157,913	)
Balance at end of period	$	135,000		$	200,000