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14. SEGMENT INFORMATION (Tables)
9 Months Ended
Feb. 29, 2020
Segment Reporting [Abstract]  
Company's operations in different geographic areas

    The following table presents property and equipment information for geographic areas (in thousands):

 

    February 29,     May 31,  
    2020     2019  
United States   $ 744     $ 1,005  
Asia     39       40  
Europe     --       --  
    $ 783     $ 1,045