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Note 10 - Revenue - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Net Revenues	$ 82,476	$ 75,893	$ 75,093	$ 70,875	$ 70,784	$ 74,311	$ 82,122	$ 83,985	$ 304,337	$ 311,202	$ 337,145
Fiber Internet Services [Member]
Net Revenues									26,445	18,428	11,006
Mobile Services [Member]
Net Revenues									32,316	50,520	84,657
Mobile Services [Member] | Retail Mobile Services [Member]
Net Revenues									9,395	46,540	84,657
Mobile Services [Member] | Mobile Platform Services [Member]
Net Revenues									11,912	564	0
Mobile Services [Member] | Other Services [Member]
Net Revenues									11,009	3,416	0
Domain Name Services [Member]
Net Revenues									245,576	242,254	241,482
Domain Name Services [Member] | Wholesale [Member]
Net Revenues									210,033	205,419	201,879
Domain Name Services [Member] | Retail Services [Member]
Net Revenues									35,543	36,835	39,603
Domain Name Services [Member] | Domain Services [Member] | Wholesale [Member]
Net Revenues									189,091	186,893	182,957
Domain Name Services [Member] | Value Added Services [Member] | Wholesale [Member]
Net Revenues									$ 20,942	$ 18,526	$ 18,922

X

- Definition

Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise.

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