Balance Sheet Details (Schedule Of Property Plant And Equipment) (Details) (USD $)	12 Months Ended
Jul. 31, 2012	Jul. 31, 2011
Balance Sheet Related Disclosures [Abstract]
Computers and equipment	$ 909,000	$ 899,000
Furniture and fixtures	21,000	21,000
Leasehold improvements	622,000	622,000
Property, Plant and Equipment, Gross, Total	1,552,000	1,542,000
Less accumulated depreciation	(1,295,000)	(1,116,000)
Property, Plant and Equipment, Net, Total	257,000	426,000
Depreciation	$ 179,000	$ 285,000

The cumulative amount of depreciation, depletion and amortization (related to property, plant and equipment, but not including land) that has been recognized in the income statement.

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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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- Definition

Gross amount of long-lived physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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- Definition

Amount, net of accumulated depreciation, depletion and amortization, of long-lived physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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