ACCRUED EXPENSES (Tables)

3 Months Ended

Mar. 31, 2018

ACCRUED EXPENSES [Abstract]

Accrued expenses

Accrued expenses consist of the following:

	March 31,		December 31,
	2018		2017
Sales commissions	$	2,321	$	2,461
Subcontracting labor		1,221		1,408
Salaries, bonuses and related benefits		14,097		16,531
Warranty accrual		1,606		1,769
Other		8,164		8,339
	$	27,409	$	30,508

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, 2018 and 2017 is presented below:

	Three Months Ended March 31,
	2018			2017
Balance, January 1	$	1,769		$	2,718
Adjustments related to pre-existing warranties
(including changes in estimates)		(143	)		(158	)
Less repair costs incurred		(61	)		(50	)
Currency translation		41			30
Balance, March 31	$	1,606		$	2,540