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Significant Accounting Policies (Details) (USD $)
|
3 Months Ended | 9 Months Ended | 12 Months Ended | |||
|---|---|---|---|---|---|---|
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Apr. 30, 2013
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Apr. 30, 2012
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Apr. 30, 2013
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Apr. 30, 2012
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Jul. 31, 2012
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Jul. 31, 2011
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| Property and equipment | ||||||
| Depreciation expense | $ 10,000 | $ 8,000 | $ 28,000 | $ 25,000 | $ 35,000 | $ 4,000 |
|
Computers and Equipment | Minimum
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| Property and equipment | ||||||
| Useful lives | 3 years | 3 years | ||||
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Computers and Equipment | Maximum
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| Property and equipment | ||||||
| Useful lives | 5 years | 5 years | ||||
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Computer Software | Minimum
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| Property and equipment | ||||||
| Useful lives | 1 year | 1 year | ||||
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Computer Software | Maximum
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| Property and equipment | ||||||
| Useful lives | 3 years | 3 years | ||||
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Leasehold Improvements
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| Property and equipment | ||||||
| Useful lives | 1 year | 1 year | ||||