Product Warranties

6 Months Ended

Apr. 30, 2012

(5) Product Warranties

As of April 30, 2012 and October 31, 2011, the Company's accrual for estimated product warranty claims totaled $150,000 and $175,000, respectively, and is included in accounts payable and accrued expenses. Warranty claims expense for the three months and six months ended April 30, 2012 totaled $16,784 and $34,516, respectively, and warranty claims expense for the three months and six months ended April 30, 2011 totaled $41,511 and $95,586, respectively.

The following table summarizes the changes in the Company's accrual for product warranties during the six months ended April 30, 2012 and 2011:


	Six Months Ended
	April 30,
	2012			2011
Balance at beginning of period	$	175,000		$	170,000
Liabilities accrued for warranties issued during the period		103,835			131,025
Warranty claims and costs paid during the period		(59,516	)		(100,586	)
Changes in liability for pre-existing warranties during the period		(69,319	)		(35,439	)
Balance at end of period	$	150,000		$	165,000