Commitments And Contingencies (Details) - USD ($)		12 Months Ended
	Aug. 13, 2013	Jul. 31, 2015	Jul. 31, 2014	Oct. 31, 2014	Jan. 23, 2014
Commitments And Contingencies [Line Items]
Release agreement payment	$ 45,000
Common stock, issued		41,859,297	29,394,940	13,470,324
Severance expense			$ 1,859,000
Restructuring Reserve, Current		$ 59,000	323,000
Operating Leases, Rent Expense		$ 108,000	$ 174,000
Dennis Brovarone [Member]
Commitments And Contingencies [Line Items]
Release agreement payment	91,000
Monthly installment amount	$ 1,600
Cash Severance Payment Period	60 months
Donna Singer [Member]
Commitments And Contingencies [Line Items]
Monthly installment amount	$ 17,000
Cash Severance Payment Period	12 months
Common stock, issued	300,000
Michael L. Krall [Member]
Commitments And Contingencies [Line Items]
Release agreement payment	$ 25,000
Monthly installment amount	30,000
Intellectual property rights payment	$ 125,000
Common stock, issued	850,000
Former Employee [Member]
Commitments And Contingencies [Line Items]
Release agreement payment					$ 50,000
Common stock, issued			15,000		15,000