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Note 5 - Company Operations (Tables)
12 Months Ended
Dec. 31, 2015
Notes Tables  
Schedule of Segment Reporting Information, by Segment [Table Text Block]
   
2015
   
20
14
 
Revenues
               
Oil and Gas
  $ 786,204     $ 1, 483,780  
Timber
    52,028       698,773  
Surface
    223,869       436,188  
Total
    1,062,101       2, 618,741  
Cost and Expenses
               
Oil and Gas
    70,240       97,702  
Timber
    8,026       84,183  
Surface
    4,330       1,325  
Total
    82,596       183,210  
Income from Operations
               
Oil and Gas
    715,964       1, 386,078  
Timber
    44,002       614,590  
Surface
    219,539       434,863  
Total
    979,505       2,435,531  
Other Income (Expense) before Income Taxes
    (305,699 )     (509,524 )
Income before Income Taxes
    673,806       1,926,007  
                 
Identifiable Assets, net of accumulated depreciation and depletion
               
Oil and Gas
    --       --  
Timber
    1,546,088       1,527,425  
Surface
    --       --  
General Corporate Assets
    12,610,848       12,299,227  
Total
    14,156,936       13,826,652  
                 
Capital Expenditures
               
Oil and Gas
    --       --  
Timber
    21,535       286,727  
Surface
    --       --  
General Corporate Assets
    265,982       425,956  
Total
    287,517       712,683  
                 
Depreciation and Depletion
               
Oil and Gas
    --       --  
Timber
    2,872       60,941  
Surface
    --       --  
General Corporate Assets
    --       6,241  
Total
  $ 2,872     $ 67,182  
Schedule of Revenue by Major Customers by Reporting Segments [Table Text Block]
Count
   
2015
   
2014
 
1       $167,000       680,000  
2       115,000       624,000  
3       113,000       173,000  
4       94,000       173,000  
5       82,000       160,000  
6       76,000       138,000  
7       64,000       --  
8       57,000       116,000