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Note 3 - Company Operations - Segmented Operations Information (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016	Dec. 31, 2016
Revenue by Customer	$ 397,005	$ 139,648	$ 595,776	$ 427,956
Cost and Expenses	142,250	161,333	311,813	313,807
Income from Operations	254,755	(21,685)	283,963	114,149
Other Expense before Income Taxes:	10,363	7,006	20,575	18,351
Income before Income Taxes	265,118	(14,679)	304,538	132,500
Total assets	14,493,452		14,493,452		$ 14,418,324
Depreciation and Depletion			467	1,751
Operating Segments [Member]
Revenue by Customer			595,776	427,956
Cost and Expenses			64,004	82,441
Income from Operations			531,772	345,515
Other Expense before Income Taxes:			(227,234)	(213,015)
Income before Income Taxes			304,538	132,500
Total assets	14,493,452	14,363,131	14,493,452	14,363,131
Capital Expenditures			11,040	326,254
Depreciation and Depletion			467	1,751
Operating Segments [Member] | Oil And Gas [Member]
Revenue by Customer			333,362	208,199
Cost and Expenses			33,049	25,254
Income from Operations			300,313	182,945
Total assets
Capital Expenditures
Depreciation and Depletion
Operating Segments [Member] | Timber [Member]
Revenue by Customer			8,966	120,868
Cost and Expenses			6,107	18,662
Income from Operations			2,859	102,206
Total assets	2,083,408	1,598,058	2,083,408	1,598,058
Capital Expenditures			11,040	53,721
Depreciation and Depletion				1,751
Operating Segments [Member] | Surface [Member]
Revenue by Customer			253,448	98,889
Cost and Expenses			24,848	38,525
Income from Operations			228,600	60,364
Total assets
Capital Expenditures
Depreciation and Depletion
Operating Segments [Member] | Corporate Segment [Member]
Total assets	$ 12,410,044	$ 12,765,073	12,410,044	12,765,073
Capital Expenditures				272,533
Depreciation and Depletion			$ 467

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