ACCRUED EXPENSES

12 Months Ended

Dec. 31, 2018

ACCRUED EXPENSES [Abstract]

ACCRUED EXPENSES

11.   ACCRUED EXPENSES

Accrued expenses consist of the following:

	December 31,
	2018		2017
Sales commissions	$	2,609	$	2,461
Subcontracting labor		1,550		1,408
Salaries, bonuses and related benefits		18,275		16,531
Warranty accrual		1,078		1,769
Other		8,778		8,339
	$	32,290	$	30,508

The change in warranty accrual during 2018 primarily related to repair costs incurred and adjustments to pre-existing warranties.  There were no new material warranty charges incurred during 2018.