XML 14 R25.htm IDEA: XBRL DOCUMENT v2.4.0.6
8. PRODUCT WARRANTIES (Tables)
9 Months Ended
Feb. 28, 2013
Product Warranties Tables  
Liability for product warranties

Following is a summary of changes in the Company's liability for product warranties during the three and nine months ended February 28, 2013 and February 29, 2012 (in thousands):

 

  Three Months Ended  Nine Months Ended
   February 28,  February 29,  February 28,  February 29,
   2013  2012  2013  2012
             
Balance at the beginning of the period   $174   $129   $91   $103 
                     
Accruals for warranties issued                    
  during the period   162    35    412    176 
Settlement made during the period                    
  (in cash or in kind)   (139)   (52)   (306)   (167)
                     
Balance at the end of the period   $197   $112   $197   $112