| 
           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 | |