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Note 5 - Goodwill and Other Intangible Assets (Details Textual) - USD ($)
12 Months Ended
Apr. 01, 2016
Mar. 31, 2016
Dec. 31, 2016
Dec. 31, 2015
Goodwill     $ 21,005,143 $ 21,005,143
Finite-lived Intangible Assets Acquired     $ 6,529,654 760,000
Customer Relationships [Member]        
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life     7 years  
Finite-lived Intangible Assets Acquired     $ 6,529,654 68,000
Melbourne IT Limited [Member]        
Business Acquisition, Transaction Costs $ 200,000      
Melbourne IT Limited [Member] | Demand Loan Facility 2012 [Member]        
Proceeds from Issuance of Debt   $ 6,000,000    
Melbourne IT Limited [Member] | Customer Relationships [Member]        
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life 7 years      
Finite-lived Intangible Assets Acquired $ 6,000,000      
Four Smaller Domain Related Acquisitions [Member] | Customer Relationships [Member]        
Finite-lived Intangible Assets Acquired     $ 300,000  
Minimum [Member]        
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life     4 years  
Maximum [Member]        
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life     15 years  
Domain Name Services [Member]        
Impairment of Intangible Assets (Excluding Goodwill)     $ 42,673 $ 206,116
Domain Services Operating Segment [Member]        
Goodwill     $ 18,900,000  
Goodwill Percentage Related to Operating Segments     90.00%  
Network Access Services [Member]        
Goodwill     $ 2,100,000  
Goodwill Percentage Related to Operating Segments     10.00%