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Note 10 - Revenue 1 (Details Textual)	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Customer Concentration Risk [Member] | Revenue Benchmark [Member]
Number of Customers		0
Customer Concentration Risk [Member] | Accounts Receivable [Member]
Number of Customers	1
Concentration Risk, Percentage	49.00%
Minimum [Member]
Domain Services, Purchased Term (Year)	1 year
Finite-Lived Intangible Asset, Useful Life (Year)	2 years
Minimum [Member] | Active Domain Name Contracts [Member]
Finite-Lived Intangible Asset, Useful Life (Year)	1 year
Maximum [Member]
Domain Services, Purchased Term (Year)	10 years
Finite-Lived Intangible Asset, Useful Life (Year)	15 years
Maximum [Member] | Active Domain Name Contracts [Member]
Finite-Lived Intangible Asset, Useful Life (Year)	10 years

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 42
-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e9054-108599

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-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 18
-URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6351-108592

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-SubTopic 10
-Section 50
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-Topic 825
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-Section 50
-Paragraph 21
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-SubTopic 10
-Section 50
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6404-108592

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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.

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