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Note 5 - Goodwill and Other Intangible Assets (Details Textual) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Goodwill	$ 130,410		$ 130,410
Goodwill, Impairment Loss	0	$ 0
Finite-Lived Intangible Assets Acquired	$ 96
Customer Assets and Domain Names [Member]
Finite-Lived Intangible Asset, Useful Life (Year)	7 years
Finite-Lived Intangible Assets Acquired	$ 100
Minimum [Member]
Finite-Lived Intangible Asset, Useful Life (Year)	2 years
Maximum [Member]
Finite-Lived Intangible Asset, Useful Life (Year)	15 years
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 assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition.

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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 impairment loss from 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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