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SIGNIFICANT ACCOUNTING JUDGEMENTS AND ESTIMATES (Narrative) (Details) - Mnombo Wethu Consultants (Pty) Limited [Member]
12 Months Ended
Nov. 06, 2017
Nov. 07, 2011
Aug. 31, 2019
Aug. 31, 2018
Statements [Line Items]        
Proportion of ownership interest 49.90% 49.90% 49.90% 49.90%
Proportion of ownership and voting rights held by non-controlling interests     50.01% 50.01%