XML 29 R11.htm IDEA: XBRL DOCUMENT  v2.3.0.11
Product Warranties
9 Months Ended
Jul. 31, 2011
Product Warranties  
Product Warranties

(5) Product Warranties

As of July 31, 2011 and October 31, 2010, the Company's accrual for estimated product warranty claims totaled $190,000 and $170,000, respectively, and is included in accounts payable and accrued expenses. Warranty claims expense for the three months and nine months ended July 31, 2011 totaled $74,539 and $170,125, respectively, and warranty claims expense for the three months and nine months ended July 31, 2010 totaled $57,753 and $261,548, respectively.

The following table summarizes the changes in the Company's accrual for product warranties during the nine months ended July 31, 2011 and 2010:

               

Nine Months Ended

               

July 31

               

2011

 

2010

Balance at beginning of period

$

170,000   

$

160,000   

Liabilities accrued for warranties issued during the period

 

230,500   

 

217,112   

Warranty claims and costs paid during the period

 

(150,125)  

 

(226,548)  

Changes in liability for pre-existing warranties during the period

 

(60,375)  

 

44,436   

Balance at end of period

$

190,000   

$

195,000