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Note 4 - Land Purchases and Sales - Land Sales (Details)	3 Months Ended
	Dec. 31, 2021 USD ($) a	Sep. 30, 2021 USD ($) a	Jun. 30, 2021 USD ($) a	Mar. 31, 2021 USD ($) a	Dec. 31, 2020 USD ($) a	Sep. 30, 2020 USD ($) a	Jun. 30, 2020 USD ($) a	Mar. 31, 2020 USD ($) a
Land Located in Beauregard Parish, Louisiana [Member]
Acres (Acre) | a		3.38	6.62	3.38			6.75
Land Sold, Ownership Percentage		100.00%	100.00%	100.00%			100.00%
Sold property		$ 31,730	$ 63,415	$ 31,018
Mineral Rights, Percent		0.00%	0.00%	0.00%
Land Located in Beauregard Parish, Louisiana [Member] | Land [Member]
Sold property							$ 64,000
Land Located in Beauregard Parish, Louisiana [Member] | Timber Properties [Member]
Mineral Rights, Percent							0.00%
Land Located in Calcasieu, Louisiana [Member]
Acres (Acre) | a	25.34	51.89	10.00		2.88	3.14	2.62	3.17
Land Sold, Ownership Percentage	100.00%	16.67%	100.00%	100.00%	100.00%	100.00%	16.67%	100.00%
Sold property	$ 140,555	$ 233,483	$ 68,315	$ 70,500
Mineral Rights, Percent	0.00%	0.00%	0.00%	0.00%
Land Located in Calcasieu, Louisiana [Member] | Land [Member]
Sold property					$ 28,800	$ 34,195	$ 128,140	$ 35,500
Land Located in Calcasieu, Louisiana [Member] | Timber Properties [Member]
Mineral Rights, Percent					0.00%	0.00%	0.00%	0.00%
Fourth Land Located in Calcasieu Louisiana [Member]
Acres (Acre) | a				10.00
Land Sold, Ownership Percentage				100.00%
Sold property				$ 68,620
Mineral Rights, Percent				0.00%
Second Land Located in Calcasieu Louisiana [Member]
Acres (Acre) | a		40.00	32.52	10.00	3.17	40
Land Sold, Ownership Percentage		50.00%	16.67%	100.00%	100.00%	16.67%
Sold property		$ 19,200	$ 25,458	$ 68,500
Mineral Rights, Percent		0.00%	0.00%	0.00%
Second Land Located in Calcasieu Louisiana [Member] | Land [Member]
Sold property					$ 35,190	$ 13,333
Second Land Located in Calcasieu Louisiana [Member] | Timber Properties [Member]
Mineral Rights, Percent					0.00%	0.00%
Land Located in Beauregard Parish, Louisiana 2 [Member]
Acres (Acre) | a				5.40			5
Land Sold, Ownership Percentage				100.00%			100.00%
Sold property				$ 51,520
Mineral Rights, Percent				0.00%
Land Located in Beauregard Parish, Louisiana 2 [Member] | Land [Member]
Sold property							$ 35,000
Land Located in Beauregard Parish, Louisiana 2 [Member] | Timber Properties [Member]
Mineral Rights, Percent							0.00%
Third Land Located in Calcasieu Louisiana [Member]
Acres (Acre) | a				10.00
Land Sold, Ownership Percentage				100.00%
Sold property				$ 65,295
Mineral Rights, Percent				0.00%
Land Located in Beauregard Parish, Louisiana 3 [Member]
Acres (Acre) | a				3.36
Land Sold, Ownership Percentage				100.00%
Sold property				$ 31,610
Mineral Rights, Percent				0.00%
Fifth Land Located in Calcasieu Louisiana [Member]
Acres (Acre) | a				20.98
Land Sold, Ownership Percentage				16.67%
Sold property				$ 16,408
Mineral Rights, Percent				0.00%
Sixth Land Located in Calcasieu Louisiana [Member]
Acres (Acre) | a				10.00
Land Sold, Ownership Percentage				100.00%
Sold property				$ 68,090
Mineral Rights, Percent				0.00%
Seventh Land Located in Calcasieu Louisiana [Member]
Acres (Acre) | a				10.00
Land Sold, Ownership Percentage				100.00%
Sold property				$ 65,800
Mineral Rights, Percent				0.00%
Land Located in St. Landry Parish, Louisiana [Member]
Acres (Acre) | a			70.44
Land Sold, Ownership Percentage			40.00%
Sold property			$ 50,688
Mineral Rights, Percent			0.00%
Allen Located in Calcasieu Louisiana [Member]
Acres (Acre) | a	138.57
Land Sold, Ownership Percentage	40.00%
Sold property	$ 62,992
Mineral Rights, Percent	0.00%

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