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Oil And Gas Properties (Tables) | 12 Months Ended
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Dec. 31, 2017
Oil And Gas Properties [Abstract] |
Schedule Of Oil And Gas Properties |
﻿ |  |  |  |  |  |
﻿ |  |  |  |  |  |
﻿ |  | December 31,
﻿ |  | 2017 |  | 2016
﻿Oil and gas properties |  | $ | 5,704 |  | $ | 5,315
﻿Unevaluated properties |  |  | — |  |  | 106
﻿Accumulated depreciation, depletion and amortization |  |  | (984) |  |  | (196)
﻿Oil and gas properties, net |  | $ | 4,720 |  | $ | 5,225
﻿

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