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Asset Retirement Obligation (Tables)
3 Months Ended
Jul. 31, 2019
Asset Retirement Obligation Disclosure [Abstract]  
Schedule of Asset Retirement Obligation

The following table summarizes activity in the Company’s ARO:

 

   July 31, 2019   April 30, 2019 
   (unaudited)     
Balance, beginning of period  $

88,746

   $- 
Addition and changes in estimates   -    81,885 
Accretion expense   2,140    6,861 
Balance, end of period  $90,886   $88,746