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Oil And Gas Properties (FY) (Tables) | 9 Months Ended | 12 Months Ended
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Sep. 30, 2020 | Dec. 31, 2019
Oil And Gas Properties [Abstract] |  |
Schedule Of Oil And Gas Properties | The following table sets forth information concerning the Company’s oil and gas properties (in thousands):
|  | September 30, 2020 |  |  | December 31, 2019 |
Oil and gas properties |  | $ | 6,685 |  |  | $ | 6,751 |
Unevaluated properties |  |  | — |  |  |  | — |
Accumulated depreciation, depletion, and amortization |  |  | (2,771 | ) |  |  | (2,366 | )
Oil and gas properties, net |  | $ | 3,914 |  |  | $ | 4,385 |
| The following table sets forth information concerning the Company’s oil and gas properties: (in thousands):
|  | December 31, |
|  | 2019 |  |  | 2018 |
Oil and gas properties |  | $ | 6,751 |  |  | $ | 6,503 |
Unevaluated properties |  |  | — |  |  |  | 23 |
Accumulated depreciation, depletion and amortization |  |  | (2,366 | ) |  |  | (1,722 | )
Oil and gas properties, net |  | $ | 4,385 |  |  | $ | 4,804 |

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