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Note 2 - Basis of Presentation (Tables)
 6 Months Ended
Jun. 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