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Note 10 - Segment Reporting - Summary of Revenue and Cost of Revenue (Details) - USD ($) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2017 | Jun. 30, 2016 | Jun. 30, 2017 | Jun. 30, 2016
Net revenues | $ 84,223,301 | $ 47,203,913 | $ 153,791,363 | $ 91,950,003
Cost of revenues | 59,445,344 | 29,792,108 | 108,756,056 | 58,598,827
Network, other costs | 2,260,566 | 1,404,826 | 4,603,762 | 2,637,757
Amortization of intangible assets | 455,402 | 11,532 | 835,564 | 23,064
Total cost of revenues | 62,875,941 | 31,559,386 | 115,500,358 | 61,957,321
Network Expenses [Member] |  |  |  |
Network, other costs | 2,260,566 | 1,404,826 | 4,603,762 | 2,637,757
Amortization of intangible assets | 1,170,031 | 362,452 | 2,140,540 | 720,737
Network Expenses | 3,430,597 | 1,767,278 | 6,744,302 | 3,358,494
Network Access Services [Member] |  |  |  |
Net revenues | 21,465,896 | 18,769,534 | 40,566,760 | 35,767,372
Cost of revenues | 11,668,233 | 9,851,936 | 22,078,630 | 18,797,214
Network, other costs | 409,744 | 219,797 | 951,706 | 434,323
Amortization of intangible assets | 11,532 | 11,532 | 23,064 | 23,064
Total cost of revenues | 12,579,473 | 10,294,647 | 23,969,442 | 19,651,663
Network Access Services [Member] | Mobile Services [Member] |  |  |  |
Cost of revenues | 10,701,805 | 9,380,533 | 20,268,965 | 17,938,968
Network Access Services [Member] | Other Services [Member] |  |  |  |
Cost of revenues | 966,428 | 471,403 | 1,809,665 | 858,246
Network Access Services [Member] | Mobile Services [Member] |  |  |  |
Net revenues | 20,378,589 | 17,805,476 | 38,341,457 | 33,912,901
Network Access Services [Member] | Other Services [Member] |  |  |  |
Net revenues | 1,087,307 | 964,058 | 2,225,303 | 1,854,471
Domain Name Services [Member] |  |  |  |
Net revenues | 62,757,405 | 28,434,379 | 113,224,603 | 56,182,631
Cost of revenues | 47,777,111 | 19,940,172 | 86,677,426 | 39,801,613
Network, other costs | 1,850,822 | 1,185,029 | 3,652,056 | 2,203,434
Amortization of intangible assets | 443,870 |  | 812,500 |
Total cost of revenues | 50,296,468 | 21,264,739 | 91,530,916 | 42,305,658
Domain Name Services [Member] | Wholesale [Member] |  |  |  |
Net revenues | 54,126,032 | 23,974,060 | 97,274,659 | 47,530,755
Cost of revenues | 43,044,071 | 18,097,075 | 78,064,938 | 36,219,111
Domain Name Services [Member] | Wholesale [Member] | Domain Services [Member] |  |  |  |
Net revenues | 48,550,092 | 21,665,990 | 87,641,907 | 42,923,645
Cost of revenues | 42,449,592 | 17,638,074 | 76,912,519 | 35,280,658
Domain Name Services [Member] | Wholesale [Member] | Value Added Services [Member] |  |  |  |
Net revenues | 5,575,940 | 2,308,070 | 9,632,752 | 4,607,110
Cost of revenues | 594,479 | 459,001 | 1,152,419 | 938,453
Domain Name Services [Member] | Retail Services [Member] |  |  |  |
Net revenues | 7,662,919 | 3,575,529 | 14,064,622 | 7,026,424
Cost of revenues | 4,547,794 | 1,662,350 | 8,165,197 | 3,240,793
Domain Name Services [Member] | Portfolio [Member] |  |  |  |
Net revenues | 968,454 | 884,790 | 1,885,322 | 1,625,452
Cost of revenues | $ 185,246 | $ 180,747 | $ 447,291 | $ 341,709

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