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Note 11 - Revenue 1 (Details Textual) $ in Millions	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2025 USD ($)	Sep. 30, 2024 USD ($)	Sep. 30, 2025 USD ($)	Sep. 30, 2024 USD ($)	Dec. 31, 2024
Minimum [Member]
Finite-Lived Intangible Asset, Useful Life (Year)	2 years		2 years
Minimum [Member] | Active Domain Name Contracts [Member]
Finite-Lived Intangible Asset, Useful Life (Year)	1 year		1 year
Maximum [Member]
Finite-Lived Intangible Asset, Useful Life (Year)	15 years		15 years
Maximum [Member] | Active Domain Name Contracts [Member]
Finite-Lived Intangible Asset, Useful Life (Year)	10 years		10 years
Customer Concentration Risk [Member] | Revenue Benchmark [Member]
Number of Customers	1	1	1	1
Customer Concentration Risk [Member] | Revenue Benchmark [Member] | Wavelo [Member] | Operating Segments [Member]
Concentration Risk, Percentage	12.00%		12.00%	11.00%
Revenue from Contract with Customer, Excluding Assessed Tax	$ 11.3	$ 9.8	$ 34.4	$ 29.2
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			51.00%		56.00%

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