Note 4 - Unproved Oil and Gas Properties, Full Cost Method - Schedule of Unproven Properties (Details) - USD ($) $ in Thousands |
Jun. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Drilling costs, and other operational related costs | $ 15,838 | $ 11,100 |
| Capitalized salary costs | 2,827 | 2,659 |
| Capitalized interest costs | 1,418 | 1,418 |
| Legal and seismic costs, license fees and other preparation costs | 13,077 | 12,457 |
| Other costs | 39 | 39 |
| Oil and Gas, Full Cost Method, Capitalized Cost Excluded from Amortization | $ 33,199 | $ 27,673 |
| X | ||||||||||
- Definition Amount of capitalized acquisition cost excluded from amortization for investment in unproved property and development project in oil- and gas-producing activities accounted for under full cost method. Excludes exploration and development costs and capitalized interest. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of capitalized cost excluded from amortization for investment in unproved property and development project for oil- and gas-producing activities accounted for under full cost method. Includes, but is not limited to, acquisition, exploration, and development costs for development project and capitalized interest. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of capitalized development cost excluded from amortization for investment in unproved property and development project in oil- and gas-producing activities accounted for under full cost method. Excludes acquisition and exploration costs and capitalized interest. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of capitalized exploration cost excluded from amortization for investment in unproved property and development project in oil- and gas-producing activities accounted for under full cost method. Excludes acquisition and development costs and capitalized interest. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of capitalized interest excluded from amortization for investment in unproved property and development project in oil- and gas-producing activities accounted for under full cost method. Excludes acquisition, exploration, and development costs. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Represents the other capitalized costs excluded from amortization from oil and gas as part of the full cost method. No definition available.
|