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RELATED PARTY BALANCES AND TRANSACTIONS (Tables)
12 Months Ended
Dec. 31, 2019
Related Party Transactions [Abstract]  
Schedule of Related Party Balances and Transactions
 
December 31,
 
   
2019
   
2018
 
             
Trade payables and accrued expenses
 
$
104
   
$
133
 

   
Year ended December 31,
 
   
2019
   
2018
   
2017
 
Amounts charged to:
                 
                   
Research and development expenses
 
$
241
   
$
314
   
$
447