Quarterly report pursuant to Section 13 or 15(d)

Asset Retirement Obligation (Details Narrative)

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Asset Retirement Obligation (Details Narrative) - USD ($)
3 Months Ended 6 Months Ended
Oct. 31, 2019
Oct. 31, 2018
Oct. 31, 2019
Oct. 31, 2018
Asset Retirement Obligation Disclosure [Abstract]        
Accretion expense $ 2,191 $ 1,467 $ 4,331 $ 2,721