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Note 10 - Revenue 1 (Details Textual) | 9 Months Ended
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Sep. 30, 2021
Customer Concentration Risk [Member] | Accounts Receivable [Member] | One Customer [Member] |
Number of Customers | 1
Concentration Risk, Percentage | 48.00%
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

X
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Balance Type: | na
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X
- Definition Represents the number of customers as defined by the entity. + References No definition available. + Details
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Balance Type: | na
Period Type: | duration

X
- 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=123359005&loc=d3e9054-108599 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6351-108592 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=123594938&loc=d3e13531-108611 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123594938&loc=d3e13537-108611 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6404-108592 + Details
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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 No definition available. + Details
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