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Note 5 - Goodwill and Other Intangible Assets (Details Textual) - USD ($) |  |  | 3 Months Ended | 9 Months Ended
--- | --- | --- | --- | ---
Apr. 01, 2016 | Mar. 31, 2016 | Sep. 30, 2016 | Sep. 30, 2015 | Sep. 30, 2016 | Sep. 30, 2015
Domain Services Operating Segment [Member] |  |  |  |  |  |
Goodwill Percentage Related to Operating Segments |  |  | 90.00% |  | 90.00% |
Network Access Services [Member] |  |  |  |  |  |
Goodwill Percentage Related to Operating Segments |  |  | 10.00% |  | 10.00% |
Domain Name Services [Member] |  |  |  |  |  |
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) |  |  | $ 2,866 | $ 18,550 | $ 27,745 | $ 68,848
Customer Relationships [Member] | Melbourne IT Limited [Member] |  |  |  |  |  |
Finite-lived Intangible Assets Acquired | $ 6,000,000 |  |  |  |  |
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life | 7 years |  |  |  |  |
Customer Relationships [Member] |  |  |  |  |  |
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) |  |  |  |  |  |
Finite-lived Intangible Assets Acquired |  |  | 74,400 |  | 6,324,970 |
Melbourne IT Limited [Member] | Demand Loan Facility 2012 [Member] |  |  |  |  |  |
Proceeds from Issuance of Debt |  | $ 6,000,000 |  |  |  |
Melbourne IT Limited [Member] |  |  |  |  |  |
Business Acquisition, Transaction Costs | $ 200,000 |  |  |  |  |
Finite-Lived Intangible Assets, Accumulated Amortization |  |  | 6,600,000 |  | 6,600,000 |
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) |  |  | 2,866 | $ 18,550 | 27,745 | $ 68,848
Finite-lived Intangible Assets Acquired |  |  | $ 74,400 |  | $ 6,324,970 |

X
- Definition Represents the percentage of goodwill in relation to the company's operating segments. + References No definition available. + Details
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X
- Definition Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition Amount of impairment loss resulting from write-down of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit to fair value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16373-109275 + Details
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