Note 4 - Land Purchases and Sales - Land Sale (Details) - Land Located in Jefferson Davis Parish, Louisiana [Member]	12 Months Ended
Dec. 31, 2023 USD ($) a
Acres (Acre) \| a	80
Ownership	16.67%
Land sale \| $	$ 149,992
Mineral Rights, Percent	0.00%

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.

No definition available.

Name:	us-gaap_PropertyPlantAndEquipmentDisposals
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration