Income taxes (Details) - Benefit (provision) for income taxes - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Jul. 31, 2018 |
Jul. 31, 2016 |
|
| Benefit (provision) for income taxes [Abstract] | ||
| Federal | $ 1,097 | $ (968) |
| State and local | (121) | |
| Foreign | (45) | |
| Deferred benefit | 60 | |
| Benefit (provision) for income taxes | $ 1,097 | $ (1,074) |
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount of current foreign income tax expense (benefit) pertaining to income (loss) from continuing operations. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount of current state and local tax expense (benefit) pertaining to income (loss) from continuing operations. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| 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/disclosureRef
|