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Note 4 - Property and Equipment
 12 Months Ended
Dec. 31, 2016
Notes to Financial Statements  
Property, Plant and Equipment Disclosure [Text Block]
4
. Property and equipment:
 
Property and equipment consist of the following:
 
   
December 31,
201
6
    
December 31,
201
5
  
Computer equipment
   $
8,122,420
     $
6,865,906
  
Computer software
    
1,277,972
      
1,171,806
  
Furniture and equipment
    
1,168,691
      
1,094,455
  
Vehicles and tools
    
830,543
      
275,424
  
Fiber network
    
7,095,971
      
4,633,942
  
Customer equipment and installations
    
3,889,581
      
242,370
  
Leasehold improvements
    
110,453
      
55,719
  
     
22,495,631
      
14,339,622
  
Less:
                
Accumulated depreciation
    
9,045,193
      
7,212,946
  
    $
13,450,438
     $
7,126,676
  
 
Depreciation of property and equipment:
 
   
Year ended
December 31,
201
6
    
Year ended
December 31,
201
5
    
Year ended
December 31,
201
4
  
Depreciation of property and equipment
   $
1,823,683
     $
1,404,296
     $
926,102
  
 
During t
he year ended
December
31,
2016
no
fully depreciated property, plant and equipment was written off. During the year ended
December
31,
2015,
fully depreciated property, plant and equipment with a cost of
$0.4
 million was written off.