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ACCRUED EXPENSES (Tables)
 3 Months Ended
Mar. 31, 2017
ACCRUED EXPENSES [Abstract]  
Accrued expenses
Accrued expenses consist of the following:


 
 
March 31,
  
December 31,
 
 
 
2017
  
2016
 
Sales commissions
 
$
2,123
  
$
2,066
 
Subcontracting labor
  
1,186
   
1,370
 
Salaries, bonuses and related benefits
  
12,909
   
17,587
 
Warranty accrual
  
2,540
   
2,718
 
Other
  
8,451
   
7,808
 
 
 
$
27,209
  
$
31,549
 
Schedule of warranty accrual account for the period from the acquisition date
A tabular presentation of the activity within the warranty accrual account for the three months ended March 31, 2017 and 2016 is presented below:


 
 
Three Months Ended March 31,
 
 
 
2017
  
2016
 
Balance, January 1
 
$
2,718
  
$
3,659
 
Charges and costs accrued
  
-
   
16
 
Adjustments related to pre-existing warranties
        
(including changes in estimates)
  
(158
)
  
(268
)
Less repair costs incurred
  
(50
)
  
(130
)
Currency translation
  
30
   
28
 
Balance, March 31
 
$
2,540
  
$
3,305