Annual report pursuant to Section 13 and 15(d)

Inventory (Details)

v3.3.1.900
Inventory (Details) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Inventory    
Inventory, Net, Total $ 3,345 $ 5,168
Inventory Valuation Reserves 0  
In Process Inventory [Member]    
Inventory    
Inventory, Net, Total 994 2,084
Plant Inventory [Member]    
Inventory    
Inventory, Net, Total 742 882
Conversion Facility Inventory [Member]    
Inventory    
Inventory, Net, Total $ 1,609 $ 2,202