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Warranty Accrual
6 Months Ended
Jul. 31, 2013
Commitments and Contingencies Disclosure [Abstract]  
Warranty Accrual
Note 11. Warranty Accrual
The Company accrues an estimate of its exposure to warranty claims based upon both current and historical product sales data and warranty costs incurred. The Company’s products carry a 10-year warranty. The Company periodically assesses the adequacy of its recorded warranty liabilities and adjusts the amounts as necessary. The warranty liability is included in accrued liabilities in the accompanying consolidated balance sheets.
The following is a summary of the Company’s warranty claim activity for the three months and six months ended July 31, 2013 and 2012 (in thousands):
 
 
Three Months Ended
 
Six Months Ended
 
7/31/2013
7/31/2012
 
7/31/2013
7/31/2012
 
(In thousands)
Beginning accrued warranty balance
$
1,000

$
1,400

 
$
1,000

$
1,400

Provision
75

88

 
216

199

Costs incurred
(75
)
(188
)
 
(216
)
(299
)
Ending accrued warranty balance
$
1,000

$
1,300

 
$
1,000

$
1,300