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10. CUSTOMER DEPOSITS AND DEFERRED REVENUE, SHORT-TERM (Tables)
6 Months Ended
Nov. 30, 2014
Customer Deposits And Deferred Revenue Short-Term Tables  
Customer deposits and deferred revenue

        Customer deposits and deferred revenue, short-term (in thousands):

 

   November 30,  May 31,
   2014  2014
Customer deposits  $680   $871 
Deferred revenue, short-term   112    187 
   $792   $1,058