Note 7 - East Tennessee Materials and Energy Corporation ("M&EC") (Tables) |
6 Months Ended | |||||||||||||||||||||||||
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Jun. 30, 2017 | ||||||||||||||||||||||||||
| Notes Tables | ||||||||||||||||||||||||||
| Schedule of Change in Asset Retirement Obligation [Table Text Block] |
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| X | ||||||||||
- Definition Tabular disclosure of the changes in carrying amount of a liability for asset retirement obligations, for changes such as new obligations, changes in estimates of existing obligations, spending on existing obligations, property dispositions, and foreign currency translation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- References No definition available.
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