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Note 2 - Basis of Presentation (Tables)
 9 Months Ended
Sep. 30, 2016
Notes Tables  
Schedule of Depreciation Rates [Table Text Block]
Asset
  
Rate
  
Computer equipment
       30%    
Computer software
    33
1/3
%		 - 100%  
Furniture and equipment
       20%    
Vehicles and tools
       20%    
Fiber network (years)
       15    
Customer equipment and installations (years)
       3    
Leasehold improvements
     Over term of lease  
Assets under construction
      N/A