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Basis of Presentation (Details Narrative) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Other property and equipment depreciation expense during period $ 19 $ 16
Depreciation, depletion and amortization expense for period 133 210
Patents, gross 2,600  
Patent accumulated amortization 975  
Patent amortization expense during period 51 51
Prepaid drilling costs 208  
Arctic Star plant site lease deposit 17  
Restricted cash 50  
Stock compensation recognized during period 53 (7)
BWI
   
Depreciation, depletion and amortization expense for period 56 54
Accrued capital costs 878  
HBI
   
Accrued capital costs 260  
Minimum
   
Patent amortization period 6 years  
Maximum
   
Patent amortization period 21 years  
Oil and Gas Properties
   
Depreciation, depletion and amortization expense for period $ 63 $ 143