Quarterly report pursuant to Section 13 or 15(d)

Inventory (Details)

v3.19.2
Inventory (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2019
Dec. 31, 2018
Inventory      
Inventory, Net, Total $ 9,127 $ 9,127 $ 14,692
Inventory Current 7,092 7,092 1,840
Inventory, Noncurrent 2,035 2,035 12,852
Reduction in inventory valuation 2,138 4,103  
In Process Inventory [Member]      
Inventory      
Inventory, Net, Total     160
Plant Inventory [Member]      
Inventory      
Inventory, Net, Total 1,638 1,638 345
Conversion Facility Inventory [Member]      
Inventory      
Inventory, Net, Total $ 7,489 $ 7,489 $ 14,187