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Note 11 - Costs to Obtain and Fulfill a Contract (Details Textual) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Increase (Decrease) in Capitalized Costs | $ 1,500 |  |
Capitalized Contract Cost, Amortization | (748) | $ (717) | $ 106
Deferred Costs of Acquisition [Member] |  |  |
Capitalized Contract Cost, Net, Total | 1,827 | 1,079 |
Increase (Decrease) in Capitalized Costs | 1,494 |  |
Capitalized Contract Cost, Amortization | $ 746 |  |
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, Total | $ 110,674 | $ 112,711 |
Increase (Decrease) in Capitalized Costs | 169,500 |  |
Capitalized Contract Cost, Amortization | 171,500 |  |
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 -Publisher FASB -Name Accounting Standards Codification -Topic 340 -SubTopic 40 -Section 50 -Paragraph 3 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126905575&loc=SL49131252-203054 + 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 -Publisher FASB -Name Accounting Standards Codification -Topic 340 -SubTopic 40 -Section 50 -Paragraph 2 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126905575&loc=SL49131251-203054 + 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 -Publisher FASB -Name Accounting Standards Codification -Topic 340 -SubTopic 40 -Section 50 -Paragraph 3 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126905575&loc=SL49131252-203054 + 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 -Publisher FASB -Name Accounting Standards Codification -Topic 340 -SubTopic 40 -Section 50 -Paragraph 3 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126905575&loc=SL49131252-203054 + Details
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