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Note 3 - Company Operations - Segmented Operations Information (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Revenue by Customer	$ 197,323	$ 210,043	$ 793,099	$ 637,999
Cost and Expenses	116,780	193,208	428,593	507,015
Income from Operations	80,543	16,835	364,506	130,984
Other Expense before Income Taxes:	11,465	12,398	32,040	30,749
Income before Income Taxes	92,008	29,233	396,546	161,733
Total assets	14,648,452		14,648,452		$ 14,418,324
Depreciation and Depletion			701	1,987
Operating Segments [Member]
Revenue by Customer			793,099	637,999
Cost and Expenses			92,877	121,528
Income from Operations			700,222	516,471
Other Expense before Income Taxes:			(303,676)	(354,737)
Income before Income Taxes			396,546	161,734
Total assets	14,648,452	14,378,460	14,648,452	14,378,460
Capital Expenditures			127,722	2,401,040
Depreciation and Depletion			701	1,987
Operating Segments [Member] | Oil And Gas [Member]
Revenue by Customer			465,710	359,951
Cost and Expenses			46,717	43,009
Income from Operations			418,993	316,942
Total assets
Capital Expenditures
Depreciation and Depletion
Operating Segments [Member] | Timber [Member]
Revenue by Customer			8,966	125,860
Cost and Expenses			8,883	23,018
Income from Operations			83	102,842
Total assets	2,111,302	2,064,058	2,111,302	2,064,058
Capital Expenditures			38,934	519,721
Depreciation and Depletion				1,751
Operating Segments [Member] | Surface [Member]
Revenue by Customer			318,423	152,188
Cost and Expenses			37,277	55,501
Income from Operations			281,146	96,687
Total assets
Capital Expenditures
Depreciation and Depletion
Operating Segments [Member] | Corporate Segment [Member]
Total assets	$ 12,537,150	$ 12,314,402	12,537,150	12,314,402
Capital Expenditures			88,788	1,881,319
Depreciation and Depletion			$ 701	$ 236

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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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