Annual report pursuant to Section 13 and 15(d)

SIGNIFICANT ACCOUNTING POLICIES (NARRATIVE) (DETAILS)

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SIGNIFICANT ACCOUNTING POLICIES (NARRATIVE) (DETAILS) (USD $)
12 Months Ended
Apr. 30, 2013
Apr. 30, 2012
Property, Plant and Equipment [Line Items]    
Total number of shares into which all outstanding warrants can be converted 59,433,600  
Rent expense $ 56,763 $ 41,823
Computer equipment/software
   
Property, Plant and Equipment [Line Items]    
Estimated Useful Life 3 years  
Furniture and fixtures
   
Property, Plant and Equipment [Line Items]    
Estimated Useful Life 7 years  
Machinery and equipment
   
Property, Plant and Equipment [Line Items]    
Estimated Useful Life 7 years  
Building improvements
   
Property, Plant and Equipment [Line Items]    
Estimated Useful Life 15 years  
Building
   
Property, Plant and Equipment [Line Items]    
Estimated Useful Life 40 years