Quarterly report pursuant to Section 13 or 15(d)

Inventory (Details)

v3.20.2
Inventory (Details) - USD ($)
$ in Thousands
6 Months Ended 12 Months Ended
Jun. 30, 2020
Dec. 31, 2019
Inventory    
Inventory, Net, Total $ 7,485 $ 7,426
Inventory Current 7,485  
Inventory, Noncurrent   7,426
Reduction in inventory valuation 4,456 10,263
Plant Inventory [Member]    
Inventory    
Inventory, Net, Total 138  
Conversion Facility Inventory [Member]    
Inventory    
Inventory, Net, Total $ 7,347 $ 7,426