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Discontinued Operations (Tables) (Total Assets and Liabilities of Discontinued Operations)
3 Months Ended
Mar. 31, 2015
Total Assets and Liabilities of Discontinued Operations
 
Discontinued Oil and Gas Operations - Liabilities

   March 31,  December 31,
   2015  2014
           
Current Liabilities:          
           
Trade payables  $2   $3 
Revenues and royalties payable   18    18 
Accrued commitments and contingencies   2,390    3,165 
Accrued liabilities and other   112    51 
 Total Current Liabilities   2,522    3,237 
 Total Liabilities of Discontinued Operations  $2,522   $3,237