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Note 4 - Segment Reporting - Segmented Operations Information (Details) - USD ($)
 3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Dec. 31, 2024
Total assets $ 19,159,457   $ 19,159,457   $ 18,847,237
Cost of Goods Sold 119,286 $ 188,199 331,587 $ 1,147,958  
General & administrative expense 186,883 167,051 548,359 1,233,209  
Depreciation and depletion     2,524   4,352
Depreciation, Total 711 1,065 2,398 3,196  
Gain on Sale of Land 86,188 (0) 275,399 140,582  
Income from operations 113,353 (16,930) 385,172 192,592  
Miscellaneous Income 0 38 66 13,785  
Interest Income 50,401 54,097 218,480 155,196  
Income (loss) before income taxes 163,754 37,205 603,718 361,573  
Operating Segments [Member]          
Revenues 232,639 171,269 716,759 1,340,550  
Total Gross Profit 214,759 151,186 660,530 1,288,415  
Cost of Goods Sold 17,880 20,083 56,229 52,135  
General & administrative expense 186,883 167,051 548,359 1,233,209  
Gross Profit 214,759 151,186 660,530 1,288,415  
Depreciation, Total 711 1,065 2,398 3,196  
Gain on Sale of Land (86,188) 0 (275,399) (140,582)  
Income from operations 113,353 (16,930) 385,172 192,592  
Miscellaneous Income 0 38 66 13,785  
Interest Income 50,401 54,097 218,480 155,196  
Income (loss) before income taxes 163,754 37,205 603,718 361,573  
Operating Segments [Member] | Timber Segment [Member]          
Total assets 661,589   661,589   2,250,525
Revenues 94,825 18,883 94,825 21,158  
Total Gross Profit 89,992 11,998 85,246 5,452  
Cost of Goods Sold 4,833 6,885 9,579 15,706  
Depreciation and depletion     126   91
Gross Profit 89,992 11,998 85,246 5,452  
Operating Segments [Member] | Oil And Gas Segment [Member]          
Revenues 47,135 73,340 373,131 316,986  
Total Gross Profit 41,478 60,382 333,871 280,797  
Cost of Goods Sold 5,657 12,958 39,260 36,189  
Depreciation and depletion     0   0
Gross Profit 41,478 60,382 333,871 280,797  
Operating Segments [Member] | Surface Segment [Member]          
Total assets 0   0   0
Revenues 90,679 79,046 248,803 1,002,406  
Total Gross Profit 83,289 78,806 241,413 1,002,166  
Cost of Goods Sold 7,390 240 7,390 240  
Gross Profit 83,289 $ 78,806 241,413 $ 1,002,166  
Segment Reporting, Reconciling Item, Corporate Nonsegment [Member]          
Total assets $ 18,497,868   18,497,868   16,596,712
Depreciation and depletion     $ 2,398   $ 4,261