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Note 9 - Revenue 1 (Details Textual)	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Minimum [Member]
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Minimum [Member] | Active Domain Name Contracts [Member]
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Maximum [Member]
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Maximum [Member] | Active Domain Name Contracts [Member]
Finite-Lived Intangible Asset, Useful Life (Year)	10 years
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	53.00%	46.00%

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- Definition

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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