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Note 5 - Impairment charge (Details Textual) | 12 Months Ended
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Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Disclosure of impairment loss recognised or reversed for cash-generating unit [line items] |  |  |
Growth rate used in current estimate of value in use | 2.00% | 2.00% | 2.00%
Bottom of range [member] |  |  |
Disclosure of impairment loss recognised or reversed for cash-generating unit [line items] |  |  |
Discount rate used in current estimate of value in use | 13.50% | 13.40% | 12.50%
Top of range [member] |  |  |
Disclosure of impairment loss recognised or reversed for cash-generating unit [line items] |  |  |
Discount rate used in current estimate of value in use | 19.40% | 18.20% | 21.40%

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- Definition The discount rate used in the current estimate of the present value of the future cash flows expected to be derived from an asset or cash-generating unit. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 36 -IssueDate 2025-01-01 -Paragraph 130 -Subparagraph g -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2025-en-r&anchor=para_130_g&doctype=Standard -URIDate 2025-03-27 + Details
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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
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- Definition The growth rate used in the current estimate of the present value of the future cash flows expected to be derived from an asset or cash-generating unit. + References No definition available. + Details
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- Details
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- Details
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