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Note 10 - Revenue - Cost of Revenue (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2021 | Mar. 31, 2020
Network, other costs | $ 3,238 | $ 2,416
Impairment of property and equipment | 60 | 0
Cost of revenue | 53,422 | 58,835
Network Expenses [Member] |  |
Network, other costs | 3,238 | 2,416
Network, depreciation and amortization costs | 3,937 | 3,231
Impairment of property and equipment | 60 | 0
Cost of revenue | 7,235 | 5,647
Network Access Services [Member] | Mobile Services [Member] |  |
Cost of revenue | 2,779 | 9,857
Network Access Services [Member] | Fiber Internet Services [Member] |  |
Cost of revenue | 2,635 | 1,716
Network Access Services [Member] | Retail Mobile Services [Member] | Mobile Services [Member] |  |
Cost of revenue | 1,055 | 9,857
Network Access Services [Member] | Mobile Platform Services [Member] | Mobile Services [Member] |  |
Cost of revenue | 58 | 0
Network Access Services [Member] | Other Services [Member] | Mobile Services [Member] |  |
Cost of revenue | 1,666 | 0
Domain Name Services [Member] |  |
Cost of revenue | 40,773 | 41,615
Domain Name Services [Member] | Wholesale [Member] |  |
Cost of revenue | 36,372 | 37,226
Domain Name Services [Member] | Retail Services [Member] |  |
Cost of revenue | 4,401 | 4,389
Domain Name Services [Member] | Domain Services [Member] | Wholesale [Member] |  |
Cost of revenue | 35,773 | 36,469
Domain Name Services [Member] | Value Added Services [Member] | Wholesale [Member] |  |
Cost of revenue | $ 599 | $ 757

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- Definition The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 924 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 11.L) -URI http://asc.fasb.org/extlink&oid=6472922&loc=d3e499488-122856 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.2(a),(d)) -URI http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227 + Details
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