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Product Warranties (Tables)
9 Months Ended
Jul. 31, 2013
Product Warranties Disclosures [Abstract]  
Schedule Of Changes In Accrual For Product Warranties
The following table summarizes the changes in the Company’s accrual for product warranties during the nine months ended July 31, 2013 and 2012:
 
 
Nine Months Ended
July 31,
 
 
2013
 
2012
Balance at beginning of period
 
$
250,000

 
$
175,000

Liabilities accrued for warranties issued during the period
 
319,638

 
218,454

Warranty claims and costs paid during the period
 
(211,725
)
 
(140,592
)
Changes in liability for pre-existing warranties during the period
 
(157,913
)
 
(62,862
)
Balance at end of period
 
$
200,000

 
$
190,000