| 5. ACCRUED EXPENSES | 12 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Apr. 30, 2015 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Payables and Accruals [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
| ACCRUED EXPENSES | Accrued expenses at April 30, 2015 and 2014 are summarized below: 
 
 
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| X | ||||||||||
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- Definition The entire disclosure for accounts payable, accrued expenses, and other liabilities that are classified as current at the end of the reporting period. No definition available. 
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| X | ||||||||||
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- References No definition available. 
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