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Note 4 - Segment Reporting - Segmented Operations Information (Details) - USD ($)
 3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Dec. 31, 2022
Total assets $ 18,176,133   $ 18,176,133   $ 17,687,590
Total segment revenues 259,031 $ 330,232 795,173 $ 822,362  
Cost and expenses 255,218 427,593 1,032,067 1,227,090  
Income from operations 3,813 (97,361) (236,894) (404,728)  
Oil and Gas [Member]          
Revenue 47,924 188,233 198,480 412,375  
Timber [Member]          
Revenue 118,365 87,904 131,048 198,283  
Operating Segments [Member]          
Total assets 18,176,133   18,176,133   17,687,590
Capital Expenditures     20,737   29,296
Total segment revenues 259,031 330,232 795,173 822,362  
Depreciation and Depletion     3,736   5,922
Cost and expenses 7,885 21,360 31,301 50,024  
Income from operations 251,146 308,872 763,872 772,338  
Unallocated other expense before income taxes (203,504) (397,126) (895,444) (1,158,221)  
Income (loss) before income taxes 47,642 (88,254) (131,572) (385,883)  
Operating Segments [Member] | Oil And Gas Segment [Member]          
Depreciation and Depletion     0   0
Cost and expenses 7,043 17,844 26,271 38,194  
Income from operations 40,881 170,389 172,209 374,181  
Operating Segments [Member] | Oil And Gas Segment [Member] | Oil and Gas [Member]          
Revenue 47,924 188,233 198,480 412,375  
Operating Segments [Member] | Timber Segment [Member]          
Total assets 2,250,761   2,250,761   2,230,564
Capital Expenditures     20,737   16,461
Depreciation and Depletion     540   883
Cost and expenses 842 3,516 4,805 6,701  
Income from operations 117,523 84,388 126,243 191,582  
Operating Segments [Member] | Timber Segment [Member] | Timber [Member]          
Revenue 118,365 87,904 131,048 198,283  
Operating Segments [Member] | Corporate Segment [Member]          
Total assets 15,925,372   15,925,372   15,457,026
Capital Expenditures     0   12,271
Depreciation and Depletion     3,196   5,039
Operating Segments [Member] | Surface Segment [Member]          
Capital Expenditures     0   $ 564
Cost and expenses 0 0 225 5,129  
Income from operations 92,742 54,095 465,420 206,575  
Operating Segments [Member] | Surface Segment [Member] | Surface Leases [Member]          
Surface revenue $ 92,742 $ 54,095 $ 465,645 $ 211,704