Annual report pursuant to Section 13 and 15(d)

3. SIGNIFICANT ACCOUNTING POLICIES (Details Narrative)

v3.5.0.2
3. SIGNIFICANT ACCOUNTING POLICIES (Details Narrative) - USD ($)
12 Months Ended
Apr. 30, 2016
Apr. 30, 2015
Apr. 30, 2014
Property, Plant and Equipment [Line Items]      
Percentage investment in SG Austria 14.50%    
Intangible assets $ 3,549,427 $ 3,549,427  
Impairment of intangible assets 0 0 $ 0
Research and development Upfront payment 1,850,000    
Research and development costs-Cannabis Licensing Agreement   2,000,000  
Research and development costs 1,406,939 3,476,912 $ 323,500
Uninsured cash balances 1,656,000 $ 2,331,000  
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