Quarterly report pursuant to Section 13 or 15(d)

Inventory (Details)

v3.5.0.2
Inventory (Details) - USD ($)
$ in Thousands
Jun. 30, 2016
Dec. 31, 2015
Inventory    
Inventory, Net, Total $ 4,890 $ 3,345
Inventory Valuation Reserves 0  
In Process Inventory [Member]    
Inventory    
Inventory, Net, Total 929 994
Plant Inventory [Member]    
Inventory    
Inventory, Net, Total 115 742
Conversion Facility Inventory [Member]    
Inventory    
Inventory, Net, Total $ 3,846 $ 1,609