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Note 10 - Revenue 1 (Details Textual) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2020 | Sep. 30, 2019 | Sep. 30, 2020 | Sep. 30, 2019
Customer Concentration Risk [Member] | Revenue Benchmark [Member] |  |  |  |
Number of Customers | 0 | 0 | 0 | 0
Customer Concentration Risk [Member] | Accounts Receivable [Member] |  |  |  |
Number of Customers |  |  | 1 |
Concentration Risk, Percentage |  |  | 46.00% |
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 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=121572278&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=121572278&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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