Asset Retirement Obligation (Tables) |
12 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Dec. 31, 2017 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Asset Retirement Obligation Disclosure [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Schedule of asset retirement obligations |
The following table is a reconciliation of the asset retirement obligation as of December 31, 2017 and 2016:
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- References No definition available.
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X | ||||||||||
- Definition Tabular disclosure of the carrying amount of a liability for asset retirement obligations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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