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11. LONG-TERM DEBT AND LINE OF CREDIT (Tables)
6 Months Ended
Nov. 30, 2015
Long-term Debt And Line Of Credit Tables  
Long-term debt, net of debt issuance costs

    Long-term debt, net of debt issuance costs (in thousands):

 

   

November 30,

2015

 

May 31,

2015

 
Principal   $ 4,110   $ 4,110  
Unamortized debt issuance costs     (237 )   (319 )
    $ 3,873   $ 3,791