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13. OTHER (EXPENSE) INCOME, NET (Tables)
12 Months Ended
May 31, 2021
Other Income and Expenses [Abstract]  
Other (expense) income, net

Other (expense) income, net comprises the following (in thousands): 

 

    Year Ended May 31,  
    2021     2020     2019  
Foreign exchange (loss) gain   $ (111)   $ (12)   $ 43  
Other (expense) income, net     (51)     1       1  
    $ (162)   $ (11)   $ 44