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8. CUSTOMER DEPOSITS AND DEFERRED REVENUE, SHORT-TERM (Tables)
12 Months Ended
May 31, 2014
Customer Deposits And Deferred Revenue Short-Term Tables  
Customer deposits and deferred revenue

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

 

    May 31,  
    2014     2013  
Customer deposits   $ 871     $ 1,728  
Deferred revenue, short-term     187       244  
    $ 1,058     $ 1,972