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Note 7 - Company Operations (Detail) - Segmented operations (USD $)
 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Revenues    
Revenues $ 3,262,987 $ 1,984,914
Cost and Expenses    
Cost and Expenses 752,127 674,233
Income from Operations    
Income from Operations 2,510,860 1,310,681
Other Income (Expense) before Income Taxes 138,975 66,031
Income before Income Taxes 2,649,835 1,376,712
Identifiable Assets, net of accumulated depreciation and depletion    
Identifiable Assets, net of accumulated depreciation and depletion 12,585,420 10,994,969
Capital Expenditures    
Capital Expenditures 136,221 1,837,318
Depreciation and Depletion    
Depreciation and Depletion 15,814 66,337
Operating Segments [Member]
    
Cost and Expenses    
Cost and Expenses 264,544 253,603
Income from Operations    
Income from Operations 2,998,443 1,731,311
Other Income (Expense) before Income Taxes (348,608) (354,599)
Income before Income Taxes 2,649,835 1,376,712
Oil and Gas [Member]
    
Revenues    
Revenues 2,817,606 1,802,205
Cost and Expenses    
Cost and Expenses 219,224 138,801
Income from Operations    
Income from Operations 2,598,382 1,663,404
Agricultural [Member]
    
Revenues    
Revenues 345,267 82,324
Cost and Expenses    
Cost and Expenses 5,302 12,834
Income from Operations    
Income from Operations 339,965 69,490
Depreciation and Depletion    
Depreciation and Depletion   4,137
Timber [Member]
    
Revenues    
Revenues 100,114 100,385
Cost and Expenses    
Cost and Expenses 40,018 101,968
Income from Operations    
Income from Operations 60,096 (1,583)
Identifiable Assets, net of accumulated depreciation and depletion    
Identifiable Assets, net of accumulated depreciation and depletion 1,235,790 1,146,743
Capital Expenditures    
Capital Expenditures 98,174 648,361
Depreciation and Depletion    
Depreciation and Depletion 9,128 58,871
General Corporate Assets [Member]
    
Identifiable Assets, net of accumulated depreciation and depletion    
Identifiable Assets, net of accumulated depreciation and depletion 11,349,630 9,848,226
Capital Expenditures    
Capital Expenditures 38,047 1,188,957
Depreciation and Depletion    
Depreciation and Depletion $ 6,686 $ 3,329