Note 5 - Segment Reporting - Segmented Operations Information (Details) - USD ($)	3 Months Ended	9 Months Ended	12 Months Ended
Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018
Revenues, Total	$ 228,337	$ 257,696	$ 598,620	$ 998,423
Total costs, expenses and (gains)	173,774	181,780	456,323	(353,274)
Income from operations	54,563	75,916	142,297	1,351,697
Income before income Taxes	83,075	102,217	226,821	1,403,873
Total assets	15,798,929		15,798,929		$ 15,602,001
Capital Expenditures			22,560		55,438
Oil and Gas [Member]
Revenues from customers	174,097	178,640	408,029	464,895
Timber [Member]
Revenues from customers	16,717	56,929	31,198	411,936
Operating Segments [Member]
Revenues, Total	228,337	257,696	598,620	998,423
Total costs, expenses and (gains)	30,069	44,364	64,014	124,189
Income from operations	198,268	213,332	534,606	874,234
Other income (expense) before income taxes	(115,193)	(111,115)	(307,785)	529,639
Income before income Taxes	83,075	102,217	226,821	1,403,873
Total assets	15,798,929		15,798,929		15,602,001
Depreciation and Depletion			1,805		3,885
Operating Segments [Member] \| Oil And Gas Segment [Member]
Total costs, expenses and (gains)	20,196	18,435	48,364	48,378
Income from operations	153,901	160,205	359,665	416,517
Depreciation and Depletion
Operating Segments [Member] \| Oil And Gas Segment [Member] \| Oil and Gas [Member]
Revenues from customers	174,097	178,640	408,029	464,895
Operating Segments [Member] \| Timber Segment [Member]
Total costs, expenses and (gains)	9,292	15,212	14,376	50,591
Income from operations	7,425	41,717	16,822	361,345
Total assets	2,184,661		2,184,661		2,162,390
Capital Expenditures			22,560		45,067
Depreciation and Depletion			288		1,858
Operating Segments [Member] \| Timber Segment [Member] \| Timber [Member]
Revenues from customers	16,717	56,929	31,198	411,936
Operating Segments [Member] \| Corporate Segment [Member]
Total assets	13,614,268		13,614,268		13,439,611
Capital Expenditures					5,471
Depreciation and Depletion			1,517		2,027
Operating Segments [Member] \| Surface Segment [Member]
Revenues, leases	37,523	22,127	159,393	121,592
Total costs, expenses and (gains)	581	10,717	1,274	25,220
Income from operations	$ 36,942	$ 11,410	158,119	$ 96,372
Capital Expenditures					$ 4,900

Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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