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INCOME TAXES (Details Textual) (USD $)
12 Months Ended
Apr. 30, 2014
Apr. 30, 2013
Apr. 30, 2012
Operating Loss Carryforwards [Line Items]      
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent 34.00%    
Valuation Allowances and Reserves, Period Increase (Decrease) $ 1,600,000    
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent 34.00%    
Valuation Allowances and Reserves, Balance 12,823,608 11,259,297 7,657,266
Domestic Tax Authority [Member]
     
Operating Loss Carryforwards [Line Items]      
Operating Loss Carryforwards 27,872,000    
State and Local Jurisdiction [Member]
     
Operating Loss Carryforwards [Line Items]      
Operating Loss Carryforwards $ 30,230,000