INCOME TAXES (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jan. 31, 2017 |
Jan. 31, 2016 |
Jan. 31, 2017 |
Jan. 31, 2016 |
|
| Income Tax Disclosure [Abstract] | ||||
| Provision for income taxes | $ 501 | $ 620 | $ 577 | $ 1,140 |
| Valuation allowance release | $ 1,500 | |||