Asset Retirement Obligation (Tables)
|9 Months Ended|
Jan. 31, 2021
|Asset Retirement Obligation Disclosure [Abstract]|
|Schedule of Asset Retirement Obligation||
The following table summarizes activity in the Company’s ARO for the periods presented:
Tabular disclosure of the carrying amount of a liability for asset retirement obligations.
Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef