Balance Sheet Details (Schedule Of Property Plant And Equipment) (Details) - USD ($)	12 Months Ended
	Jul. 31, 2015	Jul. 31, 2014
Balance Sheet Details [Abstract]
Computers and equipment	$ 590,000	$ 508,000
Furniture and fixtures	21,000	21,000
Leasehold improvements		622,000
Property, Plant and Equipment, Gross, Total	611,000	1,151,000
Less accumulated depreciation	(521,000)	(1,115,000)
Property, Plant and Equipment, Net, Total	90,000	36,000
Depreciation	$ 27,000	$ 71,000