| Oil and Gas, Full Cost Method, Property and Equipment [Text Block] |
Note 4 - Unproved Oil and Gas Properties, Full Cost Method
Unproved oil and gas properties, under the full cost method, are comprised as follows:
| | | June 30, | | | December 31, | |
| | | 2026 | | | 2025 | |
| | | US$ | | | US$ | |
| | | thousands | | | thousands | |
| Excluded from amortization base: | | | | | | | | |
| 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 | |
| | | | 33,199 | | | | 27,673 | |
Changes in Unproved oil and gas properties during the three and six months ended June 30, 2026 and 2025 are as follows:
| | | For the three months ended | | | For the six months ended | |
| | | June 30, | | | June 30, | |
| | | 2026 | | | 2025 | | | 2026 | | | 2025 | |
| | | US$ | | | US$ | | | US$ | | | US$ | |
| | | thousands | | | thousands | | | thousands | | | thousands | |
| Excluded from amortization base: | | | | | | | | | | | | | | | | |
| Drilling costs, and other operational related costs | | | 1,952 | | | | 3,847 | | | | 4,738 | | | | 4,272 | |
| Capitalized salary costs | | | 89 | | | | 26 | | | | 168 | | | | 52 | |
| Legal and seismic costs, license fees and other preparation costs | | | 194 | | | | 263 | | | | 620 | | | | 579 | |
| | | | *2,235 | | | | *4,136 | | | | *5,526 | | | | *4,903 | |
| * Inclusive of non-cash amounts of approximately $534,000, and $965,000 during the three months ended June 30, 2026 and 2025, respectively. |
| * Inclusive of non-cash amounts of approximately $1,566,000, and $1,658,000 during the six months ended June 30, 2026 and 2025, respectively. |
Please refer to Footnote 1 – Nature of Operations and Going Concern for more information about Zion’s exploration activities.
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