| 4. BUSINESS ACQUISITION (Details Narrative) - USD ($) | Apr. 30, 2015 | Apr. 30, 2014 | 
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| Licenses | $ 3,549,427 | $ 3,549,427 | 
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| Licenses | $ 1,549,427 | 
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- Definition Carrying amount (original costs adjusted for previously recognized amortization and impairment) as of the balance sheet date for the capitalized costs to acquire rights under a license arrangement (for example, to sell specified products in a specified territory) having an indefinite period of benefit. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Details 
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