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Property (Details Narrative) - USD ($)
3 Months Ended 6 Months Ended
Oct. 31, 2019
Oct. 31, 2018
Oct. 31, 2019
Oct. 31, 2018
Property, Plant and Equipment [Abstract]        
Depreciation expense $ 2,100 $ 1,507 $ 4,523 $ 2,826