Inventory (Details) - USD ($) $ in Thousands |
Mar. 31, 2017 |
Dec. 31, 2016 |
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| Inventory | ||
| Inventory, Net, Total | $ 5,761 | $ 4,109 |
| In Process Inventory [Member] | ||
| Inventory | ||
| Inventory, Net, Total | 712 | 897 |
| Plant Inventory [Member] | ||
| Inventory | ||
| Inventory, Net, Total | 670 | 461 |
| Conversion Facility Inventory [Member] | ||
| Inventory | ||
| Inventory, Net, Total | $ 4,379 | $ 2,751 |
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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