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Note 5 - Goodwill and Other Intangible Assets - Acquired Intangible Assets by Major Class (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Balances	$ 29,484
Acquisition of customer relationships	96
Additions to/(disposals from) domain portfolio, net	(2)
Amortization expense	(1,679)	$ (2,872)
Balances	27,899
Brand [Member]
Balances	870
Acquisition of customer relationships	0
Additions to/(disposals from) domain portfolio, net	0
Amortization expense	(222)
Balances	648
Customer Relationships [Member]
Balances	13,303
Acquisition of customer relationships	96
Additions to/(disposals from) domain portfolio, net	0
Amortization expense	(1,277)
Balances	12,122
Technology-Based Intangible Assets [Member]
Balances	2,148
Acquisition of customer relationships	0
Additions to/(disposals from) domain portfolio, net	0
Amortization expense	(155)
Balances	1,993
Network Rights [Member]
Balances	884
Acquisition of customer relationships	0
Additions to/(disposals from) domain portfolio, net	0
Amortization expense	(25)
Balances	859
Surname Domain Names [Member]
Balances	11,151
Acquisition of customer relationships	0
Additions to/(disposals from) domain portfolio, net	(2)
Amortization expense	0
Balances	11,149
Direct Navigation Domain Names [Member]
Balances	1,128
Acquisition of customer relationships	0
Additions to/(disposals from) domain portfolio, net	0
Amortization expense	0
Balances	$ 1,128

X

- Definition

Amount of addition or disposal in intangible assets.

+ References

No definition available.

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X

- Definition

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Section 45
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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X

- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 350
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (a)(1)
-Publisher FASB
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X

- Definition

Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 350
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
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-Paragraph 1
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-URI https://asc.fasb.org/1943274/2147482686/350-30-45-1

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