XML 50 R39.htm IDEA: XBRL DOCUMENT v3.10.0.1
9. INCOME TAXES (Details Narrative) - USD ($)
6 Months Ended
Oct. 31, 2018
Oct. 31, 2017
Income Tax Disclosure [Abstract]    
Increase in valuation allowance $ 549,000 $ 1,186,000
Income tax expense $ 0 0
U.S. federal income tax rate 21.00%  
Interest and penalties related to unrecognized tax benefits $ 0 $ 0