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Note 10 - Deferred Revenues
 12 Months Ended
Dec. 31, 2018
Notes to Financial Statements  
Liability from Contract with Customer [Text Block]
10—DEFERRED
REVENUES
 
Deferred revenues consist of the following:
 
    December 31,
    2018   2017
Deferred revenues on maintenance contracts    
1,246
      
1,497
  
Deferred revenue on RPP    
339
      
405
  
Deferred revenue on sale of devices    
289
      
218
  
Deferred revenue on extension of warranty, included in sales contracts    
855
      
676
  
Deferred research and development grants    
173
      
61
  
Total    
2,902
      
2,857
  
Less long term portion    
(973
 )    
(562
 )
Current portion    
1,929
      
2,295
  
 
Deferred revenue on extension of warranty will be recognized over the following periods:
 
    December 31,
2018
     
2019    
167
  
2020    
264
  
2021    
218
  
2022    
162
  
2023    
44
  
Total    
855
  
 
The components of deferred revenue on extension of warranty for year ended
December 
31,
2018
are as follows:
 
    Total
Beginning balance    
676
  
New extension of warranty    
331
  
Recognition of revenue    
(152
 )
Ending balance    
855