Quarterly report pursuant to Section 13 or 15(d)

Asset Retirement Obligatiion - Schedule of Asset Retirement Obligation (Details)

v3.10.0.1
Asset Retirement Obligatiion - Schedule of Asset Retirement Obligation (Details) - USD ($)
3 Months Ended 12 Months Ended
Jul. 31, 2018
Jul. 31, 2017
Apr. 30, 2018
Asset Retirement Obligation Disclosure [Abstract]      
Balance, beginning of period
Addition and changes in estimates 59,569  
Accretion expense 1,254
Balance, end of period $ 60,823