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Note 5 - Goodwill and Other Intangible Assets (Details Textual) - USD ($)			12 Months Ended
	Sep. 19, 2017	Jan. 20, 2017	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Goodwill			$ 90,053,483	$ 21,005,143
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)			111,251	42,673	$ 206,116
Finite-lived Intangible Assets Acquired			319,694	6,529,654
Brand [Member]
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)
Finite-Lived Intangible Asset, Useful Life			7 years
Finite-lived Intangible Assets Acquired
Technology-Based Intangible Assets [Member]
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)
Finite-Lived Intangible Asset, Useful Life			2 years
Finite-lived Intangible Assets Acquired
Customer Relationships [Member]
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life			7 years
Finite-lived Intangible Assets Acquired			$ 319,694	6,529,654
Minimum [Member]
Finite-Lived Intangible Asset, Useful Life			4 years
Minimum [Member] | Customer Relationships [Member]
Finite-Lived Intangible Asset, Useful Life			4 years
Maximum [Member]
Finite-Lived Intangible Asset, Useful Life			15 years
Maximum [Member] | Customer Relationships [Member]
Finite-Lived Intangible Asset, Useful Life			7 years
Domain Name Services [Member]
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)			$ 100,000	$ 42,673	$ 200,000
Domain Services Operating Segment [Member]
Goodwill			$ 88,000,000
Goodwill Percentage Related to Operating Segments			98.00%
Network Access Services [Member]
Goodwill			$ 2,100,000
Goodwill Percentage Related to Operating Segments			2.00%
eNom, Incorporated [Member]
Goodwill		$ 69,048,340
Goodwill, Acquired During Period			$ 69,000,000
Finite-lived Intangible Assets Acquired			44,300,000
eNom, Incorporated [Member] | Brand [Member]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life		7 years
Finite-lived Intangible Assets Acquired			12,400,000
eNom, Incorporated [Member] | Technology-Based Intangible Assets [Member]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life		2 years
Finite-lived Intangible Assets Acquired			3,900,000
eNom, Incorporated [Member] | Customer Relationships [Member]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life		7 years
Finite-lived Intangible Assets Acquired			28,000,000
Otono, Networks Inc. [Member]
Finite-lived Intangible Assets Acquired			2,622,670
Business Acquisition, Working Capital Liabilities Assumed	$ 1,400,000
Otono, Networks Inc. [Member] | Brand [Member]
Finite-lived Intangible Assets Acquired
Otono, Networks Inc. [Member] | Technology-Based Intangible Assets [Member]
Finite-lived Intangible Assets Acquired
Otono, Networks Inc. [Member] | Customer Relationships [Member]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	7 years
Finite-lived Intangible Assets Acquired	$ 2,600,000		$ 2,622,670

X

- Definition

Represents the amount of working capital liabilities assumed at the acquisition date.

+ References

No definition available.

+ Details

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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

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- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition.

+ References

No definition available.

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- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975

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X

- Definition

Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
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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

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