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Note 11 - Costs to Obtain and Fulfill a Contract (Details Textual) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Capitalized Contract Cost, Amortization	$ (717)	$ 106	$ (10)
Deferred Costs of Acquisition [Member]
Capitalized Contract Cost, Net, Total	1,079	362
Increase (Decrease) in Capitalized Costs	1,086
Capitalized Contract Cost, Amortization	$ 369
Deferred Costs of Acquisition [Member] | Minimum [Member]
Capitalized Contract Cost, Amortization Period (Year)	2 years
Deferred Costs of Acquisition [Member] | Maximum [Member]
Capitalized Contract Cost, Amortization Period (Year)	10 years
Domain Registration Costs [Member]
Capitalized Contract Cost, Net, Total	$ 112,620	$ 111,066
Increase (Decrease) in Capitalized Costs	173,000
Capitalized Contract Cost, Amortization	171,500
Capitalized Contract Cost, Impairment Loss	$ 0
Domain Registration Costs [Member] | Minimum [Member]
Capitalized Contract Cost, Amortization Period (Year)	1 year
Domain Registration Costs [Member] | Maximum [Member]
Capitalized Contract Cost, Amortization Period (Year)	10 years

X

- Definition

Amount of increase (decrease) in capitalization expense for asset recognized from cost incurred to obtain or fulfill contract with customer.

+ References

No definition available.

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X

- Definition

Amount of amortization expense for asset recognized from cost incurred to obtain or fulfill contract with customer.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 340
-SubTopic 40
-Section 50
-Paragraph 3
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123353750&loc=SL49131252-203054

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X

- Definition

Amortization period of cost capitalized in obtaining or fulfilling contract with customer, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 340
-SubTopic 40
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123353750&loc=SL49131251-203054

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X

- Definition

Amount of impairment loss for asset recognized from cost incurred to obtain or fulfill contract with customer.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 340
-SubTopic 40
-Section 50
-Paragraph 3
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123353750&loc=SL49131252-203054

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- Definition

Amount, after accumulated amortization and accumulated impairment loss, of asset recognized from cost incurred to obtain or fulfill contract with customer.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 340
-SubTopic 40
-Section 50
-Paragraph 3
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123353750&loc=SL49131252-203054

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