Quarterly report pursuant to Section 13 or 15(d)

Inventory (Details)

v3.2.0.727
Inventory (Details) - USD ($)
$ in Thousands
Jun. 30, 2015
Dec. 31, 2014
Inventory    
Inventory, Net, Total $ 3,885 $ 5,168
Inventory Valuation Reserves 0  
In Process Inventory [Member]    
Inventory    
Inventory, Net, Total 1,219 2,084
Plant Inventory [Member]    
Inventory    
Inventory, Net, Total 851 882
Conversion Facility Inventory [Member]    
Inventory    
Inventory, Net, Total $ 1,815 $ 2,202