Inventories (Tables) |
12 Months Ended | |||||||||||||||||||||||||||||||||||||||||||||
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Jul. 31, 2015 | ||||||||||||||||||||||||||||||||||||||||||||||
| Inventory Disclosure [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||
| Schedule of Inventory, Current [Table Text Block] | Inventories consisted of the following at July 31:
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- References No definition available.
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- Definition Tabular disclosure of the carrying amount as of the balance sheet date of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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