Annual report pursuant to Section 13 and 15(d)

Revenue (Details)

v2.4.0.8
Revenue (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Net Income Loss $ (30,353) $ (17,558) $ (16,443)
Company A [Member] | U308 [Member]
     
Inventory Number 60,000    
Sales Revenue, Goods, Net 3,895    
Concentration Risk, Percentage 51.20%    
Company B [Member] | U308 [Member]
     
Inventory Number 30,000    
Sales Revenue, Goods, Net 1,768    
Concentration Risk, Percentage 23.20%    
Company A and B [Member] | U308 [Member]
     
Inventory Number 90,000    
Sales Revenue, Goods, Net 5,663    
Concentration Risk, Percentage 74.40%    
Severance and ad valorem taxes 682    
Severance and ad valorem taxes percentage 9.00%    
Net Sales 4,981    
Net Sales Percentage 65.40%    
Recognition of gain from sale of deliveries under contract 2,635    
Recognition of gain from sale of deliveries under contract percentage 34.60%    
Net Income Loss $ 7,616    
Net Income Loss Percentage 100.00%