Inventory (Details) - USD ($)  | 
Dec. 31, 2020  | 
Dec. 31, 2019  | 
|---|---|---|
| Inventory, Net, Total | $ 7,814,000 | $ 7,426,000 | 
| Current portion of inventory | 7,814,000 | 7,426,000 | 
| Non-current portion of inventory [Member] | ||
| Inventory, Net, Total | 7,814,000 | 7,426,000 | 
| Plant Inventory [Member] | ||
| Inventory, Net, Total | 463,000 | 0 | 
| Conversion Facility Inventory [Member] | ||
| Inventory, Net, Total | $ 7,351,000 | $ 7,426,000 | 
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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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