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Summary of Significant Accounting Policies - Concentrations of Credit Risk (Details Narrative)
12 Months Ended
Apr. 30, 2014
Apr. 30, 2013
Apr. 30, 2012
Accounts Receivable
     
One customer percentage 30.00% 19.00%  
Revenues
     
One customer percentage 15.00% 9.00% 11.00%