Asset Retirement Obligation - Schedule of Asset Retirement Obligation (Details) - USD ($) |
3 Months Ended | 9 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|---|
Jan. 31, 2021 |
Jan. 31, 2020 |
Jan. 31, 2021 |
Jan. 31, 2020 |
Apr. 30, 2020 |
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| Asset Retirement Obligation Disclosure [Abstract] | |||||
| Balance, beginning of period | $ 168,392 | $ 88,746 | $ 88,746 | ||
| Addition and changes in estimates | 13,352 | 69,172 | |||
| Accretion expense | $ 4,585 | $ 2,335 | 12,973 | $ 6,666 | 10,474 |
| Balance, end of period | $ 194,717 | $ 194,717 | $ 168,392 | ||
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- Definition Amount recognized for the passage of time, typically for liabilities, that have been discounted to their net present values. Excludes accretion associated with asset retirement obligations. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- References No definition available.
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- Definition Amount of increase (decrease) in the asset retirement obligation from changes in the amount or timing of the estimated cash flows associated with the settlement of the obligation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Noncurrent portion of the carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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