BALANCE SHEET COMPONENTS - Future Amortization Expense (Details) $ in Thousands |
Jan. 31, 2017
USD ($)
|
|---|---|
| Goodwill and Intangible Assets Disclosure [Abstract] | |
| 2017 (remaining six months) | $ 1,215 |
| 2018 | 2,220 |
| 2019 | 2,201 |
| 2020 | 2,201 |
| 2021 | 2,201 |
| Thereafter | 1,079 |
| Total | $ 11,117 |