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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, 2023	Mar. 31, 2022
Balances	$ 39,790
Acquisition of customer relationships	166
Amortization expense	(2,872)	$ (2,843)
Balances	37,084
Brand [Member]
Balances	2,940
Acquisition of customer relationships	0
Amortization expense	(518)
Balances	2,422
Customer Relationships [Member]
Balances	20,813
Acquisition of customer relationships	166
Amortization expense	(2,174)
Balances	18,805
Technology-Based Intangible Assets [Member]
Balances	2,770
Acquisition of customer relationships	0
Amortization expense	(155)
Balances	2,615
Network Rights [Member]
Balances	983
Acquisition of customer relationships	0
Amortization expense	(25)
Balances	958
Surname Domain Names [Member]
Balances	11,155
Acquisition of customer relationships	0
Balances	11,155
Direct Navigation Domain Names [Member]
Balances	1,129
Acquisition of customer relationships	0
Balances	$ 1,129

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

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-Name Accounting Standards Codification
-Section 45
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-Subparagraph (b)
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-Topic 230
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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
-URI https://asc.fasb.org//1943274/2147482665/350-30-50-1

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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

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