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Note 5 - Property and Equipment (Tables)
12 Months Ended
Dec. 31, 2015
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment [Table Text Block]
   

December 31,

2015

   

December 31,

2014

 

Computer equipment

  $ 6,865,906     $ 5,902,905  

Computer software

    1,171,806       1,170,866  

Furniture and equipment

    1,094,455       757,118  

Vehicles and tools

    275,424        

Fiber network

    4,633,942        

Customer equipment and installations

    242,370        

Leasehold improvements

    55,719        
      14,339,622       7,830,889  

Less:

               

Accumulated depreciation

    7,212,946       6,221,102  
    $ 7,126,676     $ 1,609,787  
Schedule of Depreciation [Table Text Block]
   

Year ended

December 31,

2015

   

Year ended

December 31,

2014

   

Year ended

December 31,

2013

 

Depreciation of property and equipment

  $ 1,404,296     $ 926,102     $ 843,420