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Acquisitions - Narrative (Details) $ / shares in Units, $ in Thousands |  | 3 Months Ended |  |
--- | --- | --- | --- | ---
Feb. 26, 2021 USD ($) $ / shares shares | Dec. 31, 2021 USD ($) $ / shares shares | Dec. 31, 2020 USD ($) | Sep. 30, 2021 $ / shares shares | Dec. 31, 2019 USD ($)
Business Acquisition [Line Items] |  |  |  |  |
Common stock, par value (USD per Share) | $ / shares |  | $ 0.001 |  | $ 0.001 |
Common stock outstanding post merger (in Shares) | shares | 17,800,000 | 19,836,885 |  | 19,672,050 |
Transaction costs |  | $ 1,258 | $ 1,049 |  |
Pro Forma |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Transaction costs |  |  |  |  | $ 900
Impairment of oil and gas properties |  |  | 900 |  |
Riley Exploration |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Total consideration | $ 26,392 |  |  |  |
Transaction costs |  |  | $ 1,000 |  |
Tengasco |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Common stock, par value (USD per Share) | $ / shares | $ 0.001 |  |  |  |
Stock conversion ratio | 97.796467 |  |  |  |
Reverse stock split | 0.083 |  |  |  |

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- Definition This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 23 -URI http://asc.fasb.org/extlink&oid=123586518&loc=d3e1043-128460 + Details
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- Definition Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=116859721&loc=d3e6613-128477 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=120321790&loc=d3e6927-128479 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=116859721&loc=d3e6578-128477 + Details
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