Commitments and Contingencies (Tables) |
12 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Jul. 31, 2015 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Commitments and Contingencies Disclosure [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Schedule of Future Minimum Lease Payments for Capital Leases [Table Text Block] | The future minimum lease payments under capital lease as of July 31, 2015 are as follows:
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