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Acquisitions - Schedule of Business Acquisitions (Details) - USD ($) $ in Thousands |  | 12 Months Ended
--- | --- | ---
Mar. 01, 2020 | Dec. 31, 2020
Issuance of common stock (59,498 shares at $4.04 per share) |  | $ 240
New Horizon Resources, LLC [Member] |  |
Proved oil and natural gas properties | $ 564 |
Other current assets | 14 |
Other long-term assets | 58 |
Total assets acquired | 636 |
Asset retirement obligations | (163) |
Current payables | (50) |
Credit facility | (61) |
Net assets acquired | 362 |
Cash consideration | 150 |
Issuance of common stock (59,498 shares at $4.04 per share) | 240 |
Cash acquired | (28) |
Total fair value of consideration transferred | $ 362 |

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