Income taxes (Details) - Benefit (provision) for income taxes - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Jul. 31, 2016 |
Jul. 31, 2015 |
Jul. 31, 2014 |
|
| Current (provision) benefit: | |||
| Federal | $ (968) | ||
| State and local | (276) | $ (72) | $ (68) |
| Foreign | (45) | (25) | (22) |
| Deferred benefit | 60 | 104 | 18 |
| Benefit (provision) for income taxes | $ (1,229) | $ 7 | $ (72) |
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Amount of current foreign income tax expense (benefit) pertaining to income (loss) from continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Amount of current state and local tax expense (benefit) pertaining to income (loss) from continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|