Inventory (Details) - USD ($) $ in Thousands |
3 Months Ended | 12 Months Ended |
|---|---|---|
Mar. 31, 2020 |
Dec. 31, 2019 |
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| Inventory | ||
| Inventory, Net, Total | $ 7,333 | $ 7,426 |
| Inventory Current | 339 | |
| Inventory, Noncurrent | 6,994 | 7,426 |
| Reduction in inventory valuation | (2,282) | 10,263 |
| Plant Inventory [Member] | ||
| Inventory | ||
| Inventory, Net, Total | 42 | |
| Conversion Facility Inventory [Member] | ||
| Inventory | ||
| Inventory, Net, Total | $ 7,291 | $ 7,426 |
| X | ||||||||||
- Definition Inventory to be sold within 12 months No definition available.
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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://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Inventories not expected to be converted to cash, sold or exchanged within the normal operating cycle. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of increase (decrease) in valuation and qualifying accounts and reserves. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Details
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