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Note 6 - Goodwill and Other Intangible Assets - Acquired Intangible Assets by Major Class (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2026 | Mar. 31, 2025
Balances |  | $ 19,703 |
Acquisition of customer relationships |  | 881 |
Disposals from domain portfolio, net |  | (2) |
Amortization expense |  | (1,103) | $ (1,205)
Balances |  | 19,479 |
Brand [Member] |  |  |
Balances |  | 90 |
Acquisition of customer relationships |  | 0 |
Disposals from domain portfolio, net |  | 0 |
Amortization expense |  | (68) |
Balances |  | 22 |
Customer Relationships [Member] |  |  |
Balances |  | 5,787 |
Acquisition of customer relationships |  | 881 |
Disposals from domain portfolio, net |  | 0 |
Amortization expense |  | (856) |
Balances |  | 5,812 |
Technology-Based Intangible Assets [Member] |  |  |
Balances |  | 893 |
Acquisition of customer relationships |  | 0 |
Disposals from domain portfolio, net |  | 0 |
Amortization expense |  | (155) |
Balances |  | 738 |
Network Rights [Member] |  |  |
Balances | [1] | 670 |
Acquisition of customer relationships | [1] | 0 |
Disposals from domain portfolio, net | [1] | 0 |
Amortization expense | [1] | (24) |
Balances | [1] | 646 |
Surname Domain Names [Member] |  |  |
Balances |  | 12,263 |
Acquisition of customer relationships |  | 0 |
Disposals from domain portfolio, net |  | (2) |
Amortization expense |  | 0 |
Balances |  | $ 12,261 |
[1] | Includes $0.1 million of indefinite life intangible assets

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