Asset Retirement Obligation (Tables) |
9 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Jan. 31, 2020 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Asset Retirement Obligation Disclosure [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Schedule of Asset Retirement Obligation |
The following table summarizes activity in the Company’s ARO for the periods presented:
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Tabular disclosure of the carrying amount of a liability for asset retirement obligations. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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