Note 4 - Land Purchases and Sales - Land Sale (Details) |
3 Months Ended | 12 Months Ended | |||
|---|---|---|---|---|---|
|
Dec. 31, 2025
USD ($)
a
|
Sep. 30, 2025
USD ($)
a
|
Jun. 30, 2025
USD ($)
a
|
Jun. 30, 2024
USD ($)
a
|
Dec. 31, 2025
a
|
|
| Land Located in Calcasieu, Louisiana [Member] | |||||
| Area of land (Acre) | a | 25 | 25 | 25 | ||
| Land sold, ownership | 100.00% | 100.00% | 100.00% | ||
| Land sale | $ | $ 141,105 | $ 141,008 | $ 140,582 | ||
| Mineral rights, percent | 0.00% | 0.00% | 0.00% | ||
| Land Located in Calcasieu, Louisiana 2 [Member] | |||||
| Area of land (Acre) | a | 53 | ||||
| Land sold, ownership | 100.00% | ||||
| Land sale | $ | $ 217,115 | ||||
| Mineral rights, percent | 0.00% | ||||
| Land Located in Various Locations [Member] | |||||
| Area of land (Acre) | a | 6,548 | 6,548 | |||
| Land sold, ownership | 100.00% | ||||
| Land sale | $ | $ 8,618,022 | ||||
| Mineral rights, percent | 0.00% | ||||