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CONCENTRATION OF RISK (Details) - Customer Concentration Risk [Member] - Major Customer One [Member]
3 Months Ended 12 Months Ended
May 31, 2019
May 31, 2018
Feb. 28, 2019
Revenues [Member]      
Concentration Risk [Line Items]      
Concentration percentage 14.00% 12.00%  
Accounts Receivable [Member]      
Concentration Risk [Line Items]      
Concentration percentage 14.00%   14.00%