Quarterly report pursuant to Section 13 or 15(d)

Inventory (Details)

v3.19.3
Inventory (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2019
Dec. 31, 2018
Inventory      
Inventory, Net, Total $ 7,357 $ 7,357 $ 14,692
Inventory Current     1,840
Inventory, Noncurrent 7,357 7,357 12,852
Reduction in inventory valuation 4,087 8,189  
In Process Inventory [Member]      
Inventory      
Inventory, Net, Total     160
Plant Inventory [Member]      
Inventory      
Inventory, Net, Total 384 384 345
Conversion Facility Inventory [Member]      
Inventory      
Inventory, Net, Total $ 6,973 $ 6,973 $ 14,187