Annual report pursuant to Section 13 and 15(d)

Inventory (Details)

v3.10.0.1
Inventory (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Inventory    
Inventory, Net, Total $ 14,692 $ 4,515
Inventory Current 1,840 4,515
Inventory, Noncurrent 12,852  
Reduction in inventory valuation 318,000  
In Process Inventory [Member]    
Inventory    
Inventory, Net, Total 160 315
Plant Inventory [Member]    
Inventory    
Inventory, Net, Total 345 369
Conversion Facility Inventory [Member]    
Inventory    
Inventory, Net, Total $ 14,187 $ 3,831