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Note 5 - Goodwill and Other Intangible Assets - Acquired Intangible Assets by Major Class (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Balances | $ 14,469,677 | $ 14,202,585 |
Finite-lived Intangible Assets Acquired | 6,529,654 | 760,000 |
Additions to/(disposals from) domain portfolio, net | (29,691) | (24,066) | $ (26,878)
Impairment of indefinite life intangible assets | (42,673) | (206,116) | (577,145)
Amortization expense | (953,174) | (262,726) | (596,620)
Balances | 19,973,793 | 14,469,677 | 14,202,585
Surname Domain Names [Member] |  |  |
Balances | 11,339,355 | 11,525,624 |
Finite-lived Intangible Assets Acquired |  |  |
Additions to/(disposals from) domain portfolio, net | (6,166) | (6,815) |
Impairment of indefinite life intangible assets | (37,968) | (179,454) |
Amortization expense |  |  |
Balances | 11,295,221 | 11,339,355 | 11,525,624
Direct Navigation Domain Names [Member] |  |  |
Balances | 1,897,318 | 1,941,231 |
Finite-lived Intangible Assets Acquired |  |  |
Additions to/(disposals from) domain portfolio, net | (23,525) | (17,251) |
Impairment of indefinite life intangible assets | (4,705) | (26,662) |
Amortization expense |  |  |
Balances | 1,869,088 | 1,897,318 | 1,941,231
Brand [Member] |  |  |
Balances | 79,670 | 110,510 |
Finite-lived Intangible Assets Acquired |  |  |
Additions to/(disposals from) domain portfolio, net |  |  |
Impairment of indefinite life intangible assets |  |  |
Amortization expense | (74,460) | (30,840) |
Balances | 5,210 | 79,670 | 110,510
Customer Relationships [Member] |  |  |
Balances | 499,854 | 625,220 |
Finite-lived Intangible Assets Acquired | 6,529,654 | 68,000 |
Additions to/(disposals from) domain portfolio, net |  |  |
Impairment of indefinite life intangible assets |  |  |
Amortization expense | (830,697) | (193,366) |
Balances | 6,198,811 | 499,854 | 625,220
Network Rights [Member] |  |  |
Balances | 653,480 |  |
Finite-lived Intangible Assets Acquired |  | 692,000 |
Additions to/(disposals from) domain portfolio, net |  |  |
Impairment of indefinite life intangible assets |  |  |
Amortization expense | (48,017) | (38,520) |
Balances | $ 605,463 | $ 653,480 |

X
- Definition Aggregate amount of indefinite life intangible assets recognized as cost of revenues, as a result of the disposal of these domain names, during the period. + References No definition available. + Details
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X
- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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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. + 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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- Definition Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16212-109274 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph ((a)(1),(b)) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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