OTHER (EXPENSE) INCOME, NET (Tables)

6 Months Ended

Jun. 30, 2019

Other Income and Expenses [Abstract]

Principal components of other expense, net

The principal components of other income, net, are as follows (in thousands):

 

	Three Months Ended June 30,						Six Months Ended June 30,
	2019			2018			2019			2018
Interest and investment income	$	156		$	23		$	163		$	163
Income tax expense	(206		)	(171		)	(442		)	(106		)
Other non-operating income	—			—			—			4
Total other (expense) income, net	$	(50	)	$	(148	)	$	(279	)	$	61