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Note 7 - Intangible Assets, Net (Tables)
6 Months Ended
Jun. 30, 2019
Notes Tables  
Schedule of Finite-Lived Intangible Assets [Table Text Block]
   
 
 
 
 
Six months ended June 30, 2019 (unaudited)
   
Year ended December 31, 2018
 
   
Weighted
a
verage
a
mortization
p
eriod (years)
   
Gross
c
arrying
a
mount
   
Accumulated
a
mortization
   
Net
   
Gross
c
arrying
a
mount
   
Accumulated
a
mortization
   
Net
 
                                                         
Intangible assets –amortizable:
                                                       
Customer relationships
   
4.5
    $
272
    $
272
    $
    $
272
    $
272
    $
 
Customer backlog
   
1.5
     
93
     
93
     
     
93
     
93
     
 
Core technologies
   
5.1
     
5,796
     
5,375
     
421
     
5,796
     
4,955
     
841
 
NB-IoT technologies (*)
   
7.0
     
2,200
     
499
     
1,701
     
2,200
     
341
     
1,859
 
Total intangible assets
   
 
    $
8,361
    $
6,239
    $
2,122
    $
8,361
    $
5,661
    $
2,700
 
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]
2019
  $
578
 
2020
   
314
 
2021
   
314
 
2022
   
314
 
2023
   
314
 
2024
   
288
 
    $
2,122