Quarterly report pursuant to Section 13 or 15(d)

9. INCOME TAXES (Details Narrative)

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9. INCOME TAXES (Details Narrative) - USD ($)
3 Months Ended
Jul. 31, 2018
Jul. 31, 2017
Income Tax Disclosure [Abstract]    
Increase in valuation allowance $ 301,000 $ 565,000
Income tax expense $ 0 0
U.S. federal income tax rate 21.00%  
Interest and penalties related to unrecognized tax benefits $ 0 $ 0