Derivative Liability (Narrative) (Details) (USD $)	11 Months Ended	12 Months Ended
	Jun. 26, 2012	Jul. 31, 2012	Jul. 31, 2011
Value Of Common Stock Warrants Issued To Lenders And Placement Agent	$ 297,000	$ 286,000
Derivative, Gain (Loss) on Derivative, Net		11,000	0
Debt Instrument, Convertible, Conversion Price		$ 3.28
Debt Instrument, Convertible, If-converted Value in Excess of Principal		33,000
Debt Instrument, Convertible, Conversion Feature	33,000	33,000
Warrant Liability [Member]
Value Of Common Stock Warrants Issued To Lenders And Placement Agent	$ 297,000