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Note 10 - Revenue 1 (Details Textual) $ in Thousands	12 Months Ended
	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Minimum [Member]
Finite-Lived Intangible Asset, Useful Life (Year)	2 years
Minimum [Member] | Active Domain Name Contracts [Member]
Finite-Lived Intangible Asset, Useful Life (Year)	1 year
Maximum [Member]
Finite-Lived Intangible Asset, Useful Life (Year)	15 years
Maximum [Member] | Active Domain Name Contracts [Member]
Finite-Lived Intangible Asset, Useful Life (Year)	10 years
Operating Segments [Member]
Revenue from Contract with Customer, Including Assessed Tax	$ 353,374	$ 329,013	$ 309,215
Wavelo [Member] | Operating Segments [Member]
Revenue from Contract with Customer, Including Assessed Tax	$ 39,003	$ 35,979	$ 23,632
Customer Concentration Risk [Member] | Accounts Receivable [Member]
Number of Customers	1	1
Customer Concentration Risk [Member] | Accounts Receivable [Member] | One Customer [Member]
Concentration Risk, Percentage	56.00%	59.00%
Customer Concentration Risk [Member] | Revenue Benchmark [Member]
Number of Customers			0
Customer Concentration Risk [Member] | Revenue Benchmark [Member] | Wavelo [Member] | Operating Segments [Member]
Number of Customers	1	1
Customer Concentration Risk [Member] | Revenue Benchmark [Member] | One Customer [Member] | Wavelo [Member] | Operating Segments [Member]
Concentration Risk, Percentage	10.70%	10.70%
Revenue from Contract with Customer, Including Assessed Tax	$ 38,800	$ 36,200

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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.

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