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CONCENTRATION OF CREDIT RISK (Details) - Customer concentration risk - customer
12 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Gross sales    
Concentration Risk [Line Items]    
Number of customers accounted credit risk 2 2
Customer concentration risk, percentage 53.00% 54.00%
Trade receivables    
Concentration Risk [Line Items]    
Number of customers accounted credit risk 3 4
Customer concentration risk, percentage 52.00% 63.00%