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Note 16 - Segment Reporting - Summary of Revenue and Cost of Revenue (Details) - USD ($) | 3 Months Ended | 12 Months Ended
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Dec. 31, 2017 | Sep. 30, 2017 | Jun. 30, 2017 | Mar. 31, 2017 | Dec. 31, 2016 | Sep. 30, 2016 | Jun. 30, 2016 | Mar. 31, 2016 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Net revenues | $ 90,621 | $ 85,008 | $ 84,223 | $ 69,568 | $ 48,805 | $ 49,064 | $ 47,204 | $ 44,746 | $ 329,420,741 | $ 189,818,932 | $ 171,686,779
Network Access Services [Member] |  |  |  |  |  |  |  |  |  |  |
Net revenues |  |  |  |  |  |  |  |  | 88,710,902 | 73,778,951 | 60,974,265
Network Access Services [Member] | Mobile Services [Member] |  |  |  |  |  |  |  |  |  |  |
Net revenues |  |  |  |  |  |  |  |  | 83,885,054 | 70,127,294 | 57,685,554
Network Access Services [Member] | Other Services [Member] |  |  |  |  |  |  |  |  |  |  |
Net revenues |  |  |  |  |  |  |  |  | 4,825,848 | 3,651,657 | 3,288,711
Domain Name Services [Member] |  |  |  |  |  |  |  |  |  |  |
Net revenues |  |  |  |  |  |  |  |  | 240,709,839 | 116,039,981 | 110,712,514
Domain Name Services [Member] | Wholesale [Member] |  |  |  |  |  |  |  |  |  |  |
Net revenues |  |  |  |  |  |  |  |  | 202,304,159 | 98,179,267 | 94,233,497
Domain Name Services [Member] | Wholesale [Member] | Domain Services [Member] |  |  |  |  |  |  |  |  |  |  |
Net revenues |  |  |  |  |  |  |  |  | 183,731,385 | 89,009,546 | 84,934,519
Domain Name Services [Member] | Wholesale [Member] | Value Added Services [Member] |  |  |  |  |  |  |  |  |  |  |
Net revenues |  |  |  |  |  |  |  |  | 18,572,774 | 9,169,721 | 9,298,978
Domain Name Services [Member] | Retail Services [Member] |  |  |  |  |  |  |  |  |  |  |
Net revenues |  |  |  |  |  |  |  |  | 31,649,000 | 14,629,949 | 12,637,498
Domain Name Services [Member] | Portfolio [Member] |  |  |  |  |  |  |  |  |  |  |
Net revenues |  |  |  |  |  |  |  |  | $ 6,756,680 | $ 3,230,765 | $ 3,841,519

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- Definition Aggregate revenue during the period from services rendered in the normal course of business, after deducting allowances and discounts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1(d)) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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