COMMITMENTS AND CONTINGENT LIABILITIES (Tables)
 12 Months Ended
Dec. 31, 2017
COMMITMENTS AND CONTINGENT LIABILITIES [Abstract]  
Schedule of Future Minimum Payments under Operating Leases
2018
 
 
1,164
 
2019
 
 
191
 
2020
 
 
188
 
 
 
 
1,543