XML 54 R35.htm IDEA: XBRL DOCUMENT v2.4.0.6
Product Warranty Liability (Tables)
12 Months Ended
Jan. 31, 2013
Product Warranty Liability [Abstract]  
Activity in product warranty liability
                 
    January 31,  
    2013     2012  
(In thousands)            

Balance, beginning of the year

  $ 343     $ 258  

Warranties issued

    783       661  

Settlements made

    (776     (576
   

 

 

   

 

 

 

Balance, end of the year

  $ 350     $ 343