XML 26 R50.htm IDEA: XBRL DOCUMENT v3.3.0.814
Sales Concentration (Details) - USD ($)
12 Months Ended
Jul. 31, 2015
Jul. 31, 2014
Concentration Risk [Line Items]    
Sales Revenue, Goods, Net $ 729,000 $ 550,000
Sales Revenue, Goods, Net [Member]    
Concentration Risk [Line Items]    
U.S. Concentration Risk, Percentage 97.00% 100.00%
Foreign Concentration Risk Percentage 3.00%  
Sales Revenue, Goods, Net [Member] | Customer Concentration Risk [Member]    
Concentration Risk [Line Items]    
Concentration Risk, Customer one two
Concentration Risk, Percentage 47.00% 66.00%