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Note 5 - Land Purchases and Sales - Company Interest in Acres, Land, Timber, and Mineral Rights (Details)	3 Months Ended
	Dec. 31, 2020 USD ($) a	Sep. 30, 2020 USD ($) a	Jun. 30, 2020 USD ($) a	Mar. 31, 2020 USD ($) a	Jun. 30, 2019 USD ($) a	Mar. 31, 2019 USD ($) a
Land Located in Calcasieu, Louisiana [Member]
Acres (Acre) | a	2.88	3.14	2.62	3.17	20	16.26
Land Sold, Ownership Percentage	100.00%	100.00%	16.67%	100.00%	16.67%	100.00%
Mineral Rights, Percent	0.00%	0.00%	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	$ 5,000	$ 112,500
Land Located in Calcasieu, Louisiana [Member] | Timber Properties [Member]
Sold property
Land Located in Beauregard Parish, Louisiana [Member]
Acres (Acre) | a			6.75
Land Sold, Ownership Percentage			100.00%
Mineral Rights, Percent			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]
Sold property
Land Located in Beauregard Parish, Louisiana 2 [Member]
Acres (Acre) | a			5
Land Sold, Ownership Percentage			100.00%
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]
Sold property
Second Land Located in Calcasieu Louisiana [Member]
Acres (Acre) | a	3.17	40
Land Sold, Ownership Percentage	100.00%	16.67%
Mineral Rights, Percent	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]
Sold property

X

- Definition

Represents the ownership percentage of land sold during the period.

+ References

No definition available.

+ Details

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X

- Definition

The conveyed percentage of mineral rights, or rights to extract a mineral from the earth or to receive payment in the form of a royalty for the extraction of minerals, net of amortization.

+ References

No definition available.

+ Details

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X

- Definition

Area of land held.

+ References

No definition available.

+ Details

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X

- Definition

Amount of divestiture of long-lived, physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References

No definition available.

+ Details

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