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Property and Equipment - Narrative (Details) - USD ($) |  | 1 Months Ended | 12 Months Ended
--- | --- | --- | ---
Nov. 01, 2019 | Dec. 31, 2019 | Jun. 30, 2020 | Jun. 30, 2019
Property, Plant and Equipment [Line Items] |  |  |  |
Capital expenditures |  |  | $ 1,500,000 | $ 5,200,000
Asset retirement obligation liabilities incurred |  |  | 944,278 | $ 31,268
Hamilton Dome Field |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Non-operating working interest, percent | 23.50% |  |  |
Revenue interest, percent | 19.70% |  |  |
Purchase price of oil and gas assets | $ 9,500,000 |  |  |
Purchase price adjustments |  | $ 200,000 |  |
Asset retirement obligation liabilities incurred | $ 900,000 |  | $ 900,000 |

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- Definition Payments To Acquire Oil And Gas Property And Equipment, Provisional Information, Initial Accounting Incomplete, Adjustment + References No definition available. + Details
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- Definition Future cash outflow to pay for purchases of fixed assets that have occurred. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=121583591&loc=d3e4332-108586 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=121583591&loc=d3e4313-108586 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=121583591&loc=d3e4304-108586 + Details
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- Definition The cash outflow to purchase long lived physical asset for use in the normal oil and gas operations and to purchase mineral interests in oil and gas properties not intended for resale. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3213-108585 + Details
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