Accrued Liabilities (Details) $ in Thousands |
Apr. 30, 2018
USD ($)
|
|---|---|
| Payables and Accruals [Abstract] | |
| Accrued Legal Settlement Current | $ 400 |
| X | ||||||||||
- Definition Accrued legal settlement current. No definition available.
|
| X | ||||||||||
- References No definition available.
|