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Note 11 - Deferred Revenues
 12 Months Ended
Dec. 31, 2019
Notes to Financial Statements  
Liability from Contract with Customer [Text Block]
11—
DEFERRED REVENUES
 
Deferred revenues consist of the following:
 
    December 31,
    2019   2018
Deferred revenues on maintenance contracts    
1,741
      
1,246
  
Deferred revenue on RPP    
243
      
339
  
Deferred revenue on sale of devices    
115
      
289
  
Deferred revenue on extension of warranty, included in sales contracts    
837
      
855
  
Deferred research and development grants    
269
      
173
  
Total    
3,205
      
2,902
  
Less long term portion    
(1,313
 )    
(973
 )
Current portion    
1,892
      
1,929
  
 
Deferred revenue on extension of warranty will be recognized over the following periods:
 
    December 31,
2019
     
2020    
237
  
2021    
268
  
2022    
257
  
2023    
70
  
2024    
4
  
Total    
837
  
 
The components of deferred revenue on extension of warranty for the year ended
December 
31,
2019
are as follows:
 
    Total
Balance as of December 31, 2017    
676
  
New extension of warranty    
331
  
Recognition of revenue    
(152
 )
Balance as of December 31, 2018    
855
  
New extension of warranty    
254
  
Recognition of revenue    
(272
 )
Balance as of December 31, 2019    
837