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INVENTORY (Tables) | 12 Months Ended
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Dec. 31, 2017
Inventories [Abstract] |
Schedule of Inventory |
|  | 2017 |  |  | 2016 |
Product inventory |  | $ | 285 |  |  | $ | 263 |
Materials and supplies |  | 609 |  |  | 426 |
|  | $ | 894 |  |  | $ | 689 |

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