RESTRUCTURING ACTIVITIES (Tables)

12 Months Ended

Dec. 31, 2017

RESTRUCTURING ACTIVITIES [Abstract]

Activity and liability balances related to restructuring charges

Activity and liability balances related to restructuring costs for the years ended December 31, 2016 and 2017 are as follows:

			2016							2017
	Liability at				Cash Payments			Liability at				Cash Payments			Liability at
	December 31,		New		and Other			December 31,		New		and Other			December 31,
	2015		Charges		Settlements			2016		Charges		Settlements			2017
Severance costs	$	110	$	1,407	$	(929	)	$	588	$	86	$	(674	)	$	-
Other restructuring costs		-		2		(2	)		-		51		(51	)		-
Total	$	110	$	1,409	$	(931	)	$	588	$	137	$	(725	)	$	-