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Note 6 - Goodwill and Other Intangible Assets (Details Textual) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Dec. 31, 2025
Goodwill	$ 130,410	$ 130,410
Network Rights [Member]
Intangible Asset, Excluding Goodwill, Indefinite-Lived	$ 100
Customer Assets and Domain Names [Member]
Finite-Lived Intangible Asset, Useful Life (Year)	7 years
Intangible Asset, Finite-Lived, Acquired	$ 900
Minimum [Member]
Finite-Lived Intangible Asset, Useful Life (Year)	2 years
Maximum [Member]
Finite-Lived Intangible Asset, Useful Life (Year)	15 years
Weighted Average [Member]
Finite-Lived Intangible Asset, Useful Life (Year)	2 years 7 months 6 days
Domain Services Operating Segment [Member]
Goodwill	$ 107,700
Goodwill Percentage Related to Operating Segments	83.00%
Network Access Services [Member]
Goodwill	$ 22,700
Goodwill Percentage Related to Operating Segments	17.00%

X

- Definition

Represents the percentage of goodwill in relation to the company's operating segments.

+ References

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Useful life of finite-lived intangible asset, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Excludes goodwill and capitalized cost for software to be sold, leased, or marketed.

+ References

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Amount of increase in finite-lived intangible asset acquired in business combination, asset acquisition, and from joint venture formation. Excludes goodwill and capitalized cost for software to be sold, leased, or marketed.

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Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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Amount of indefinite-lived intangible asset. Excludes goodwill.

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