Statements of Operations (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Revenues:
Total revenue	$ 153,475	$ 346,695
Costs, expenses and (gains):
General and administrative expense	120,035	132,561
Depreciation expense	507	233
Gain on sale of land	(75,926)	(878,320)
Total costs, expenses and (gains)	64,115	(701,286)
Income from operations	89,360	1,047,981
Interest income	26,524	12,922
Income before income taxes	115,884	1,060,903
Federal and state income tax expense:
Current	10,163	223,542
Deferred
Total income taxes	10,163	223,542
Net income	$ 105,721	$ 837,361
Per common stock, basic and diluted
Net income (in dollars per share)	$ 0.05	$ 0.43
Dividends (in dollars per share)		$ 0.12
Weighted average shares outstanding, basic and diluted (in shares)	1,942,495	1,942,495
Oil and Gas [Member]
Revenues:
Revenues from customers	$ 94,228	$ 124,577
Costs, expenses and (gains):
Cost of goods and services sold	14,524	16,656
Timber [Member]
Revenues:
Revenues from customers	14,481	178,449
Costs, expenses and (gains):
Cost of goods and services sold	4,397	20,594
Surface Leases, Unrelated Parties [Member]
Revenues:
Revenues, leases	35,183	34,513
Surface Leases, Related Parties [Member]
Revenues:
Revenues, leases	9,583	9,156
Surface Leases [Member]
Costs, expenses and (gains):
Cost of goods and services sold	$ 578	$ 6,990