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(7) Equity Investment in Sunrise Energy (Tables)
 12 Months Ended
Dec. 31, 2012
Sunrise Consolidated Balance Sheet
             
   
2012
   
2011
 
Current assets
 
$
1,754
   
$
1,916
 
Oil and gas properties, net
   
6,934
     
6,236
 
   
$
8,688
   
$
8,152
 
                 
Total liabilities
 
$
762
   
$
1,558
 
Members' capital
   
7,926
     
6,594
 
   
$
8,688
   
$
8,152
 
Sunrise Consolidated Statement of Operations
   
2012
   
2011
 
Revenue
 
$
2,450
   
$
3,951
 
Expenses
   
(2,117
)
   
(2,107
)
Net  income
 
$
333
   
$
1,844