Product Warranties

6 Months Ended

Apr. 30, 2013

(5) Product Warranties

As of April 30, 2013 and October 31, 2012, the Company's accrual for estimated product warranty claims totaled $200,000 and $250,000, respectively, and is included in accounts payable and accrued expenses. Warranty claims expense for the three months and six months ended April 30, 2013 totaled $91,296 and $81,640, respectively, and warranty claims expense for the three months and six months ended April 30, 2012 totaled $16,784 and $34,516, respectively.

The following table summarizes the changes in the Company's accrual for product warranties during the six months ended April 30, 2013 and 2012:


		Six Months Ended
		April 30,
		2013			2012

Balance at beginning of period	$	250,000		$	175,000
Liabilities accrued for warranties issued during the period		241,455			103,835
Warranty claims and costs paid during the period		(131,640	)		(59,516	)
Changes in liability for pre-existing warranties during the period		(159,815	)		(69,319	)
Balance at end of period	$	200,000		$	150,000