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Manufactured Methane Facilities (Tables) | 12 Months Ended
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Dec. 31, 2017
Manufactured Methane Facilities [Abstract] |
Methane Facilities |
﻿ |  |  |  |  |  |
﻿ |  |  |  |  |  |
﻿ |  | December 31,
﻿ |  | 2017 |  | 2016
﻿Manufactured Methane facilities, net of impairment |  | $ | 1,681 |  | $ | 1,681
﻿Accumulated depreciation |  |  | (184) |  |  | (122)
﻿Manufactured Methane facilities, net |  | $ | 1,497 |  | $ | 1,559
﻿

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- Definition Manufactured Methane [Abstract] + References No definition available. + Details
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- Definition Methane Facilities [Table Text Block] + References No definition available. + Details
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