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GENERAL AND SIGNIFICANT ACCOUNTING POLICIES (Tables)
 12 Months Ended
Dec. 31, 2019
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Exchange Rates And Linkage Bases
Details of the CPI and the representative exchange rates are as follows:

         
Exchange rate
    
Exchange rate
  
   
Israeli CPI
    
of one US dollar
    
of one Euro
  
   
Points
    
NIS
    
NIS
  
                   
December 31, 2019
    
101.8
      
3.456
      
3.878
  
December 31, 2018
    
101.2
      
3.748
      
4.292
  
December 31, 2017
    
100.4
      
3.467
      
4.153
  
                         
   
%
  
                         
December 31, 2019
    
0.6
      
(7.8
)
    
(10.0
)
December 31, 2018
    
0.8
      
8.1
      
3.3
  
December 31, 2017
    
1.5
      
(0.1
)
    
2.7
  
Activity In The Allowance For Doubtful Accounts
The activity in the allowance for doubtful accounts for the three years ended December 31, 2019 is as follows:

   
Year ended
December 31,
  
   
2019
    
2018
    
2017
  
                   
Opening balance
    
170
      
234
      
160
  
Doubtful debt expenses during the year
    
71
      
86
      
147
  
Customers write-offs/collection during the year
    
(31
)
    
(134
)
    
(91
)
Foreign currency translation adjustments
    
17
      
(16
)
    
18
  
                         
Closing balance
    
227
      
170
      
234
  
Fixed Assets Depreciation Rates
Property and equipment are stated at cost, net of accumulated depreciation and impairment losses. Depreciation is computed by the straight-line method over the estimated useful lives of the assets at the following annual rates:

   
%
     
Machinery and equipment
  
5-33
Leasehold improvements
  
6-14
Motor vehicles
  
15
Office furniture and equipment
  
6-33
Schedule of Assumptions for Binomial Option Pricing Model
The following assumptions were used in the Binomial option pricing model for the year ended December 31, 2019 (no options were granted in 2017):

   
2019
  
2018
         
Dividend yield
  
0%
  
0%
Expected volatility
  
76%
  
71%
Risk-free interest
  
1.47%
  
2.89%
Contractual term
  
10 years
  
10 years
Forfeiture rate
  
0%
  
0%
Schedule of Accumulated Other Comprehensive Loss, Net
The total accumulated other comprehensive loss, net was comprised as follows:

   
December 31,
  
   
2019
    
2018
    
2017
  
                   
Foreign currency translation adjustments
    
139
      
(75
)
    
600
  
                         
Total accumulated other comprehensive income (loss)
    
139
      
(75
)
    
600