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Information About Major Customers
12 Months Ended
Apr. 30, 2012
Risks and Uncertainties [Abstract]  
Concentration Risk Disclosure [Text Block]
INFORMATION ABOUT MAJOR CUSTOMERS

Sales to one major customer as a percentage of consolidated net sales as of April 30 of each year was the following:


2012
2011
Sales to a major customer as a % of net sales
51
%
43
%