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ACCRUED EXPENSES (Tables)
 12 Months Ended
Dec. 31, 2016
ACCRUED EXPENSES [Abstract]  
Accrued expenses
Accrued expenses consist of the following:
 
 
 
Year Ended December 31,
 
 
 
2016
  
2015
 
Sales commissions
 
$
2,066
  
$
2,824
 
Subcontracting labor
  
1,370
   
1,942
 
Salaries, bonuses and related benefits
  
17,587
   
15,672
 
Warranty accrual
  
2,718
   
3,659
 
Deferred revenue
  
-
   
4,500
 
Other
  
7,808
   
9,726
 
 
 
$
31,549
  
$
38,323
 
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 years ended December 31, 2016 and 2015 is presented below:

 
 
Year Ended December 31,
 
 
 
2016
  
2015
 
Balance, beginning of year
 
$
3,659
  
$
6,032
 
Charges and costs accrued
  
761
   
2,892
 
Adjustments related to pre-existing warranties
        
(including changes in estimates)
  
(1,063
)
  
(1,208
)
Less: Repair costs incurred
  
(544
)
  
(2,932
)
Less: Cash settlements
  
-
   
(1,000
)
Currency translation
  
(95
)
  
(125
)
Balance, end of year
 
$
2,718
  
$
3,659