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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