Statements of Operations (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Revenues:
Total revenue	$ 154,876	$ 180,391
Costs, expenses and (gains):
General and administrative expense	103,083	143,121
Depreciation expense	507	234
Gain on sale of land	(406,220)	(33,107)
Total costs, expenses and (gains)	(293,451)	124,436
Income from operations	448,327	55,955
Interest income	4,666	17,875
Income before income taxes	452,993	73,830
Federal and state income tax expense:
Current	26,186	15,448
Total income taxes	26,186	15,448
Net income	$ 426,807	$ 58,382
Earnings per share, basic and diluted (in dollars per share)	$ 0.22	$ 0.03
Weighted average shares outstanding, basic and diluted (in shares)	1,942,495	1,942,495
Oil and Gas [Member]
Revenues:
Revenues from customers	$ 50,145	$ 115,050
Costs, expenses and (gains):
Cost of goods and services sold	8,221	11,737
Timber [Member]
Revenues:
Revenues from customers	53,527	7,888
Costs, expenses and (gains):
Cost of goods and services sold	958	2,451
Surface Leases, Unrelated Parties [Member]
Revenues:
Revenues, leases	41,621	47,870
Surface Leases, Related Parties [Member]
Revenues:
Revenues, leases	$ 9,583	$ 9,583