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SUPPLEMENTAL CONSOLIDATED BALANCE SHEETS INFORMATION (Tables)
12 Months Ended
Dec. 31, 2017
Valuation and Qualifying Accounts [Abstract]  
Schedule of Supplemental Consolidated Balance Sheets Information
   
Warranty provision
   
Provision for doubtful Accounts
 
             
Balance, as of December 31, 2014
 
$
251
   
$
125
 
Additions
   
294
     
206
 
Deductions
   
(221
)
   
-
 
                 
Balance, as of December 31, 2015
   
324
     
331
 
Additions
   
216
     
112
 
Deductions
   
(202
)
   
(141
)
                 
Balance, as of December 31, 2016
   
338
     
302
 
Additions
   
154
     
361
 
Deductions
   
(186
)
   
(40
)
                 
Balance, as of December 31, 2017
 
$
306
   
$
623