XML 47 R23.htm IDEA: XBRL DOCUMENT v3.22.2.2
ASSET RETIREMENT OBLIGATION (Tables)
12 Months Ended
Apr. 30, 2022
Asset Retirement Obligation Disclosure [Abstract]  
SCHEDULE OF ASSET RETIREMENT OBLIGATION

 

   April 30, 2022   April 30, 2021 
         
Balance, beginning of year  $204,615   $168,392 
Addition and changes in estimates   33,517    18,746 
Accretion expense   22,064    17,477 
Balance, end of year  $260,196   $204,615