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EMPLOYEE BENEFITS AND PAYROLL ACCRUALS (Tables)
12 Months Ended
Dec. 31, 2018
Employee-related Liabilities [Abstract]  
Schedule of Employee Benefits and Payroll Accruals
 
December 31,
 
 
 
2 0 1 8
   
2 0 1 7
 
Short-term employee benefits:
           
Benefits for vacation and recreation pay
   
162
     
235
 
Liability for payroll, bonuses and wages
   
697
     
367
 
 
   
859
     
602