Quarterly report pursuant to Section 13 or 15(d)

Inventory (Details)

v3.4.0.3
Inventory (Details) - USD ($)
$ in Thousands
Mar. 31, 2016
Dec. 31, 2015
Inventory    
Inventory, Net, Total $ 5,934 $ 3,345
Inventory Valuation Reserves 0  
In Process Inventory [Member]    
Inventory    
Inventory, Net, Total 977 994
Plant Inventory [Member]    
Inventory    
Inventory, Net, Total 569 742
Conversion Facility Inventory [Member]    
Inventory    
Inventory, Net, Total $ 4,388 $ 1,609