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Note 11 - Investments in Unconsolidated Entities - Summary of Individual Sensitivities of Key Unobservable Inputs to the Fair Value Measurement (Details) - OPay Digital Services Limited [member] - PWERM [member] - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Weighted average equity value [member] |  |  |
Disclosure of unconsolidated structured entities [line items] |  |  |
Change in assumption, percentage | [1] | 10.00% |
Decrease in assumption |  | $ (25,495) | $ (24,791)
Increase in assumption |  | 25,495 | 24,791
Time to exit [member] |  |  |
Disclosure of unconsolidated structured entities [line items] |  |  |
Decrease in assumption |  | 48,553 | 47,872
Increase in assumption |  | $ (40,855) | (40,263)
Time to exit (Year) | [1] | 1 year |
Relative change in probability of sale [member] |  |  |
Disclosure of unconsolidated structured entities [line items] |  |  |
Change in assumption, percentage | [1],[2] | 100.00% |
Decrease in assumption | [2] | $ 826 | (630)
Increase in assumption | [2] | $ (826) | 630
Discount for lack of marketability1 [member] |  |  |
Disclosure of unconsolidated structured entities [line items] |  |  |
Change in assumption, percentage | [1] | 5.00% |
Decrease in assumption |  | $ 14,350 | 14,072
Increase in assumption |  | $ (14,350) | (14,072)
Discount rate, measurement input [member] |  |  |
Disclosure of unconsolidated structured entities [line items] |  |  |
Change in assumption, percentage | [1] | 2.00% |
Decrease in assumption |  | $ 6,965 | 9,759
Increase in assumption |  | $ (6,657) | (9,202)
Financial forecast of profit (loss) for cash-generating unit, measurement input [member] |  |  |
Disclosure of unconsolidated structured entities [line items] |  |  |
Change in assumption, percentage | [1],[3] | 10.00% |
Decrease in assumption | [3] |  | (8,452)
Increase in assumption | [3] |  | $ 5,017
[1] | pp - percentage points.
[2] | Represents a relative change in the probabilities of sale scenarios, offset by an equal change in the probabilities of initial public offering scenarios.
[3] | Only applicable to the preferred shares acquired in 2023, as discussed above.

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- Definition The percentage of a reasonably possible increase in an unobservable input used in fair value measurement of assets. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IFRS -Number 13 -IssueDate 2024-01-01 -Paragraph 93 -Subparagraph h -Clause ii -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2024-en-r&anchor=para_93_h_ii&doctype=Standard -URIDate 2024-03-27 + Details
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