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

The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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