Income taxes (Details) - Net deferred tax liabilities are included in the consolidated balance sheets - USD ($) $ in Thousands |
Jul. 31, 2015 |
Jul. 31, 2014 |
|---|---|---|
| Deferred taxes: | ||
| Non-current | $ 37 | $ 183 |
| $ 37 | $ 183 |
| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences, before jurisdictional netting. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences, netted by jurisdiction and classified as noncurrent. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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