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Note 3 - Property and Equipment (Details Textual) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Gain (Loss) on Sale of Properties     $ 149,992 $ (0)
Depreciation, Total $ 1,065 $ 683 2,130 1,190
Depletion, Total     $ 85 $ 174