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Note 12 - Costs to Obtain and Fulfill a Contract (Details Textual) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Increase (Decrease) in Capitalized Costs | $ 2,000 |  |
Capitalized Contract Cost, Amortization | (754) | $ (748) | $ (717)
Deferred Costs of Acquisition [Member] |  |  |
Capitalized Contract Cost, Net | 2,581 | 1,827 |
Increase (Decrease) in Capitalized Costs | 1,987 |  |
Capitalized Contract Cost, Amortization | $ 1,233 |  |
Deferred Costs of Acquisition [Member] | Minimum [Member] |  |  |
Capitalized Contract Cost, Amortization Period (Year) | 2 years |  |
Deferred Costs of Acquisition [Member] | Maximum [Member] |  |  |
Capitalized Contract Cost, Amortization Period (Year) | 10 years |  |
Domain Registration Costs [Member] |  |  |
Capitalized Contract Cost, Net | $ 111,068 | $ 110,674 |
Increase (Decrease) in Capitalized Costs | 179,500 |  |
Capitalized Contract Cost, Amortization | 179,100 |  |
Capitalized Contract Cost, Impairment Loss | $ 0 |  |
Domain Registration Costs [Member] | Minimum [Member] |  |  |
Capitalized Contract Cost, Amortization Period (Year) | 1 year |  |
Domain Registration Costs [Member] | Maximum [Member] |  |  |
Capitalized Contract Cost, Amortization Period (Year) | 10 years |  |

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- Definition Amount of increase (decrease) in capitalization expense for asset recognized from cost incurred to obtain or fulfill contract with customer. + References No definition available. + Details
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- Definition Amount of amortization expense for asset recognized from cost incurred to obtain or fulfill contract with customer. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 340 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479483/340-40-50-3 + Details
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- Definition Amortization period of cost capitalized in obtaining or fulfilling contract with customer, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -SubTopic 40 -Topic 340 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479483/340-40-50-2 + Details
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- Definition Amount of impairment loss for asset recognized from cost incurred to obtain or fulfill contract with customer. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 340 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479483/340-40-50-3 + Details
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- Definition Amount, after accumulated amortization and accumulated impairment loss, of asset recognized from cost incurred to obtain or fulfill contract with customer. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 340 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479483/340-40-50-3 + Details
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