Note 4 - Segment Reporting - Segmented Operations Information (Details) - USD ($)	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Total assets	$ 17,088,131		$ 17,088,131		$ 16,316,697
Capital Expenditures			21,713		9,321
Revenues, Total	173,546	$ 160,842	539,729	$ 529,930
Cost and expenses	(104,154)	87,511	(419,129)	196,552
Income from operations	277,700	73,331	958,858	333,378
Oil and Gas [Member]
Oil and gas	108,208	50,811	257,555	233,789
Timber [Member]
Oil and gas	11,936	59,416	114,877	71,052
Operating Segments [Member]
Total assets	17,088,131		17,088,131		16,316,697
Depreciation and Depletion			2,051		3,277
Revenues, Total	173,546	160,842	539,729	529,930
Cost and expenses	15,519	6,090	38,398	32,360
Income from operations	158,027	154,752	501,331	497,570
Unallocated other income (expense) before income taxes	123,295	(74,507)	470,602	(109,022)
Income before income taxes	281,322	80,245	971,933	388,548
Timber Segment [Member] | Operating Segments [Member]
Total assets	2,214,057		2,214,057		2,196,942
Capital Expenditures			17,650		9,321
Depreciation and Depletion			534		974
Cost and expenses	3,255	666	8,468	3,870
Income from operations	8,681	58,750	106,409	67,182
Timber Segment [Member] | Operating Segments [Member] | Timber [Member]
Oil and gas	11,936	59,416	114,877	71,052
Oil And Gas Segment [Member] | Operating Segments [Member]
Depreciation and Depletion			0		0
Cost and expenses	12,264	5,226	29,930	28,034
Income from operations	95,944	45,585	227,625	205,755
Oil And Gas Segment [Member] | Operating Segments [Member] | Oil and Gas [Member]
Oil and gas	108,208	50,811	257,555	233,789
Corporate Segment [Member] | Operating Segments [Member]
Total assets	14,874,074		14,874,074		14,119,755
Capital Expenditures			0		0
Depreciation and Depletion			1,517		2,303
Surface Segment [Member] | Operating Segments [Member]
Capital Expenditures			4,063		$ 0
Cost and expenses		198		456
Income from operations	53,402	50,417	167,297	224,633
Surface Segment [Member] | Operating Segments [Member] | Surface Leases [Member]
Operating Lease, Lease Income, Total	$ 53,402	$ 50,615	$ 167,297	$ 225,089