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Supplemental Disclosures about Oil and Natural Gas Producing Properties (unaudited) - Narrative (Details) - USD ($) | 12 Months Ended
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Jun. 30, 2019 | Jun. 30, 2018
Oil and Gas Exploration and Production Industries Disclosures [Abstract] |  |
Oil and natural gas property costs attributable to the recognition of asset retirement obligations | $ 86,384 | $ 43,922
Period Considered for Unweighted Arithmetic Average for Determining Reserve Volumes and Values | 12 months |
Period Considered for Determining Unweighted Arithmetic Average of First Day of Month, Commodity Prices | 12 months |

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- Definition Amount of asset retirement obligations incurred during the period, net of certain increases or decreases in the amount of the asset retirement obligation during the current period that may include changes in the amount or timing of the estimated cash flows associated with the settlement of the obligation. + References No definition available. + Details
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- Definition Represents the period considered for determining unweighted arithmetic average of first-day-of-the-month commodity prices. + References No definition available. + Details
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- Definition Represents the period considered for calculating unweighted arithmetic average which is used to determine reserve volumes and values of oil and natural gas prices. + References No definition available. + Details
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