Note 8 - Segment Reporting - Segmented Operations Information (Details) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Revenues, Total	$ 811,271	$ 1,194,763
Total costs, expenses and (gains)	619,665	(173,588)
Income from operations	191,606	1,368,351
Income before income Taxes	301,188	1,465,853
Total assets	15,862,530	15,602,001
Capital Expenditures	26,815	55,438
Depreciation, Depletion and Amortization, Total	2,361	3,885
Oil and Gas [Member]
Revenues from customers	500,426	576,976
Timber [Member]
Revenues from customers	72,847	454,177
Operating Segments [Member]
Revenues, Total	811,271	1,194,763
Total costs, expenses and (gains)	79,872	132,507
Income from operations	731,399	1,062,256
Other income (expense) before income taxes	(430,211)	403,597
Income before income Taxes	301,188	1,465,853
Total assets	15,862,530	15,602,001
Depreciation, Depletion and Amortization, Total	2,362	3,885
Operating Segments [Member] | Oil And Gas Segment [Member]
Total costs, expenses and (gains)	57,454	63,231
Income from operations	442,972	513,745
Depreciation, Depletion and Amortization, Total
Operating Segments [Member] | Oil And Gas Segment [Member] | Oil and Gas [Member]
Revenues from customers	500,426	576,976
Operating Segments [Member] | Timber Segment [Member]
Total costs, expenses and (gains)	21,144	45,640
Income from operations	51,703	408,537
Total assets	2,188,594	2,162,390
Capital Expenditures	26,815	45,067
Depreciation, Depletion and Amortization, Total	611	1,858
Operating Segments [Member] | Timber Segment [Member] | Timber [Member]
Revenues from customers	72,847	454,177
Operating Segments [Member] | Corporate Segment [Member]
Total assets	13,673,936	13,439,611
Capital Expenditures		5,471
Depreciation, Depletion and Amortization, Total	1,751	2,027
Operating Segments [Member] | Surface Segment [Member]
Revenues, leases	237,998	163,610
Total costs, expenses and (gains)	1,274	23,636
Income from operations	236,724	139,974
Capital Expenditures		$ 4,900