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Note 3 - Property and Equipment (Details Textual) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Gain (Loss) on Sale of Properties     $ 275,399 $ 140,582
Depreciation, Total $ 711 $ 1,065 2,398 3,196
Depletion, Total     $ 126 $ 65