Derivative Liability (Narrative) (Details) (USD $)	11 Months Ended	12 Months Ended
	Jun. 26, 2012	Jul. 31, 2013	Jul. 26, 2012	Jul. 31, 2012
Derivative Liability [Line Items]
Value Of Common Stock Warrants Issued To Lenders And Placement Agent	$ 51,000	$ 286,000	$ 297,000
Derivative, Gain (Loss) on Derivative, Net		268,000		11,000
Debt Instrument, Convertible, Conversion Price				$ 3.28
Debt Instrument, Convertible, Beneficial Conversion Feature	33,000			33,000
Adjustments To The Fair Value Of Derivatives		(235,000)		(11,000)
Warrant Liability [Member]
Derivative Liability [Line Items]
Adjustments To The Fair Value Of Derivatives		$ (235,000)		$ (11,000)