Inventory (Details) - USD ($) |
Jun. 30, 2021 |
Dec. 31, 2020 |
|---|---|---|
| Current portion of inventory | $ 7,922,000 | $ 7,814,000 |
| Inventory, Net, Total | 7,922,000 | 7,814,000 |
| Plant Inventory [Member] | ||
| Inventory, Net, Total | 0 | 463,000 |
| Conversion Facility Inventory [Member] | ||
| Inventory, Net, Total | 7,922,000 | 7,351,000 |
| Non-current portion of inventory [Member] | ||
| Inventory, Net, Total | $ 7,922,000 | $ 7,814,000 |
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- References 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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