Statements of Operations (Unaudited) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Revenues:
Total revenue	$ 173,546	$ 160,842	$ 539,729	$ 529,930
Costs, expenses and (gains):
General and administrative expense	141,136	121,426	392,538	457,637
Depreciation expense	507	1,326	1,517	1,793
Gain on sale of land	(261,316)	(41,331)	(851,582)	(295,238)
Total costs, expenses and (gains)	(104,154)	87,511	(419,129)	196,552
Income from operations	277,700	73,331	958,858	333,378
Interest income	3,622	6,914	13,075	55,170
Income before income taxes	281,322	80,245	971,933	388,548
Federal and state income tax expense:
Current	92,813	30,191	182,269	68,322
Total income taxes	92,813	30,191	182,269	68,322
Net income	$ 188,509	$ 50,054	$ 789,664	$ 320,226
Earnings per share, basic and diluted (in dollars per share)	$ 0.10	$ 0.03	$ 0.41	$ 0.16
Weighted average shares outstanding, basic and diluted (in shares)	1,942,495	1,942,495	1,942,495	1,942,495
Oil and Gas [Member]
Revenues:
Oil and gas	$ 108,208	$ 50,811	$ 257,555	$ 233,789
Costs, expenses and (gains):
Cost of goods and services sold	12,264	5,226	29,930	28,034
Timber [Member]
Revenues:
Oil and gas	11,936	59,416	114,877	71,052
Costs, expenses and (gains):
Cost of goods and services sold	3,255	666	8,468	3,870
Surface Leases, Unrelated Parties [Member]
Revenues:
Revenues, leases	43,819	41,032	138,548	196,340
Surface Leases, Related Parties [Member]
Revenues:
Revenues, leases	$ 9,583	9,583	$ 28,749	28,749
Surface Leases [Member]
Costs, expenses and (gains):
Cost of goods and services sold		$ 198		$ 456