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BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - Partner Concentration Risk | 3 Months Ended | 12 Months Ended
--- | --- | ---
Oct. 31, 2017 | Oct. 31, 2016 | Jul. 31, 2017
Revenue | Partner A |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk percentage | 17.00% | 14.00% |
Revenue | Partner B |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk percentage | 28.00% | 20.00% |
Revenue | Partner C |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk percentage | 19.00% | 13.00% |
Revenue | Partner D |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk percentage | 10.00% | 12.00% |
Revenue | Partner F |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk percentage | 12.00% |  |
Accounts Receivable | Partner A |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk percentage | 14.00% |  |
Accounts Receivable | Partner B |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk percentage | 17.00% |  | 12.00%
Accounts Receivable | Partner C |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk percentage |  |  | 14.00%
Accounts Receivable | Partner D |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk percentage | 16.00% |  | 20.00%
Accounts Receivable | Partner F |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk percentage | 11.00% |  | 18.00%

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