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Note 10 - Revenue - Disaggregation of Revenue (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2020 | Sep. 30, 2019 | Sep. 30, 2020 | Sep. 30, 2019
Net Revenues | $ 74,311 | $ 88,129 | $ 240,418 | $ 251,199
Network Access Services [Member] |  |  |  |
Net Revenues | 13,509 | 24,612 | 59,946 | 71,493
Network Access Services [Member] | Fiber Internet Services [Member] |  |  |  |
Net Revenues | 4,657 | 2,890 | 13,379 | 7,977
Network Access Services [Member] | Mobile Services [Member] |  |  |  |
Net Revenues | 8,852 | 21,722 | 46,567 | 63,516
Network Access Services [Member] | Mobile Services [Member] | Retail Mobile Services [Member] |  |  |  |
Net Revenues | 7,019 | 21,722 | 44,734 | 63,516
Network Access Services [Member] | Mobile Services [Member] | Mobile Platform Services [Member] |  |  |  |
Net Revenues | 376 | 0 | 376 | 0
Network Access Services [Member] | Mobile Services [Member] | Other Services [Member] |  |  |  |
Net Revenues | 1,457 | 0 | 1,457 | 0
Domain Name Services [Member] |  |  |  |
Net Revenues | 60,802 | 63,517 | 180,472 | 179,706
Domain Name Services [Member] | Wholesale [Member] |  |  |  |
Net Revenues | 51,935 | 52,413 | 153,845 | 150,449
Domain Name Services [Member] | Wholesale [Member] | Domain Services [Member] |  |  |  |
Net Revenues | 47,261 | 47,259 | 139,430 | 136,336
Domain Name Services [Member] | Wholesale [Member] | Value Added Services [Member] |  |  |  |
Net Revenues | 4,674 | 5,154 | 14,415 | 14,113
Domain Name Services [Member] | Retail Services [Member] |  |  |  |
Net Revenues | 8,652 | 8,713 | 25,669 | 26,138
Domain Name Services [Member] | Portfolio [Member] |  |  |  |
Net Revenues | $ 215 | $ 2,391 | $ 958 | $ 3,119

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- Definition Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e9038-108599 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130545-203045 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8933-108599 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8933-108599 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8906-108599 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8736-108599 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8736-108599 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130543-203045 Reference 9: 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 10: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 40 -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e9031-108599 Reference 11: 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 + Details
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