STOCKHOLDERS' EQUITY - Schedule of assumptions used (Details) |
6 Months Ended | |
|---|---|---|
Feb. 28, 2018 |
Feb. 28, 2017 |
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||
| Expected volatility | 60.00% | 60.00% |
| Weighted-average volatility | 60.00% | 60.00% |
| Dividend yield | 0.00% | 0.00% |
| Expected forfeiture rate | 33.00% | 33.00% |
| Minimum | ||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||
| Expected term (years) | 1 year | 1 year |
| Risk-free interest rate | 1.44% | 0.85% |
| Maximum | ||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||
| Expected term (years) | 4 years | 4 years |
| Risk-free interest rate | 2.37% | 1.57% |