Organization and Businessy (Narrative) (Details) (USD $)	12 Months Ended
	Jul. 31, 2013 item segment	Jul. 31, 2012 security	Jul. 31, 2011
Organization and Business [Abstract]
Number of Operating Segments	1
Common Stock, Par or Stated Value Per Share	$ 0.01	$ 0.01
Stockholders' Equity Note, Stock Split, Conversion Ratio	0.125	0.125
Accumulated deficit	$ 70,171,000	$ 62,500,000
Cash and Cash Equivalents, at Carrying Value	32,000	877,000	1,794,000
Liabilities, Current	2,153,000	3,637,000
Accounts Payable, Current	$ 1,134,000	$ 1,946,000