XML 41 R53.htm IDEA: XBRL DOCUMENT v3.3.0.814
Income Taxes (Reconciliation Of Effective Tax Rate, Percentage) (Details)
12 Months Ended
Jul. 31, 2015
Jul. 31, 2014
Components of Income Tax Expense (Benefit), Continuing Operations [Abstract]    
Federal tax benefit at the expected statutory rate 34.00% 34.00%
State income tax, net of federal tax benefit 3.70% 3.40%
Expired net operating loss carryforwards (4.50%) (0.80%)
Other (2.20%) (8.40%)
Valuation allowance (31.00%) (28.20%)
Income tax benefit - effective rate 0.00% 0.00%