Quarterly report pursuant to Section 13 or 15(d)

3. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details Narrative)

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3. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details Narrative) - USD ($)
3 Months Ended
Jul. 31, 2016
Jul. 31, 2015
Apr. 30, 2016
Property, Plant and Equipment [Line Items]      
Intangible assets $ 3,549,427   $ 3,549,427
Impairment of intangible assets 0 $ 0  
Research and development costs 175,004 $ 155,678  
Uninsured cash balances 2,089,816   $ 1,656,223
Cell-in-a-Box [Member]      
Property, Plant and Equipment [Line Items]      
Intangible assets 1,549,427    
Diabetes License [Member]      
Property, Plant and Equipment [Line Items]      
Intangible assets $ 2,000,000    
SG Austria [Member]      
Property, Plant and Equipment [Line Items]      
Percentage investment in SG Austria 14.50%