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Note 7 - Segment Reporting - Segmented Operations Information (Details) - USD ($)
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Total assets $ 16,316,697 $ 15,862,530
Capital Expenditures 9,321 26,815
Revenues, Total 671,944 811,271
Cost and expenses 292,891 619,665
Income from operations 379,053 191,606
Income before income Taxes 438,224 301,188
Oil and Gas [Member]    
Revenues from customers 257,247 500,426
Timber [Member]    
Revenues from customers 134,720 72,847
Operating Segments [Member]    
Total assets 16,316,697 15,862,530
Depreciation and Depletion 3,277 2,362
Revenues, Total 671,944 811,271
Cost and expenses 39,942 79,872
Income from operations 632,002 731,399
Unallocated other income (expense) before income taxes (193,778) (430,211)
Income before income Taxes 438,224 301,188
Timber Segment [Member] | Operating Segments [Member]    
Total assets 2,196,942 2,188,594
Capital Expenditures 9,321 26,815
Depreciation and Depletion 974 611
Cost and expenses 9,409 21,144
Income from operations 125,311 51,703
Timber Segment [Member] | Operating Segments [Member] | Timber [Member]    
Revenues from customers 134,720 72,847
Oil And Gas Segment [Member] | Operating Segments [Member]    
Depreciation and Depletion
Cost and expenses 29,379 57,454
Income from operations 227,868 442,972
Oil And Gas Segment [Member] | Operating Segments [Member] | Oil and Gas [Member]    
Revenues from customers 257,247 500,426
Corporate Segment [Member] | Operating Segments [Member]    
Total assets 14,119,755 13,673,936
Capital Expenditures
Depreciation and Depletion 2,303 1,751
Surface Segment [Member] | Operating Segments [Member]    
Capital Expenditures
Operating Lease, Lease Income, Total 279,977 237,998
Cost and expenses 1,154 1,274
Income from operations $ 278,823 $ 236,724