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Note 2 -Significant Accounting Policies (Tables)
12 Months Ended
Dec. 31, 2017
Notes Tables  
Schedule of Depreciation Rates [Table Text Block]
   
Rate
 
Asset
 
 
 
 
 
 
 
 
 
 
 
 
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
     
 
 
Schedule of Finite-Lived Intangible Assets [Table Text Block]
   
(in years)
 
                         
Technology
   
 
     
2
     
 
 
                         
Brand
   
 
     
7
     
 
 
                         
Customer relationships
   
4
     
-
     
7
 
                         
Network rights
   
 
     
15