Note 4 - Segment Reporting - Segmented Operations Information (Details) - USD ($)	3 Months Ended		12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Total assets	$ 17,888,882		$ 17,687,590
Total segment revenues	165,762	$ 181,918
Cost and expenses	508,571	183,955
Income from operations	(342,809)	(2,037)
Oil and Gas [Member]
Revenue	49,195	82,429
Timber [Member]
Revenue	1,901	21,743
Operating Segments [Member]
Total assets	17,888,882		17,687,590
Total segment revenues	165,762	181,918
Capital Expenditures	17,358		29,296
Cost and expenses	10,195	11,099
Depreciation and Depletion	1,065		5,922
Income from operations	155,567	170,819
Unallocated other expense before income taxes	(472,418)	(167,226)
Income (loss) before income taxes	(316,851)	3,593
Operating Segments [Member] | Oil And Gas Segment [Member]
Cost and expenses	8,938	5,736
Depreciation and Depletion	0		0
Income from operations	40,257	76,693
Operating Segments [Member] | Oil And Gas Segment [Member] | Oil and Gas [Member]
Revenue	49,195	82,429
Operating Segments [Member] | Timber Segment [Member]
Total assets	2,247,922		2,230,564
Capital Expenditures	17,358		16,461
Cost and expenses	1,257	234
Depreciation and Depletion	0		883
Income from operations	644	21,509
Operating Segments [Member] | Timber Segment [Member] | Timber [Member]
Revenue	1,901	21,743
Operating Segments [Member] | Surface Segment [Member]
Capital Expenditures	0		564
Cost and expenses	0	5,129
Income from operations	114,666	72,617
Operating Segments [Member] | Surface Segment [Member] | Surface Leases [Member]
Surface revenue	114,666	$ 77,746
Operating Segments [Member] | Corporate Segment [Member]
Total assets	15,640,960		15,457,026
Capital Expenditures	0		12,271
Depreciation and Depletion	$ 1,065		$ 5,039