OTHER INCOME, NET (Tables)

6 Months Ended

Jun. 30, 2017

Other Income and Expenses [Abstract]

Principal components of other expense, net

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

	Three Months Ended June 30,				Six Months Ended June 30,
	2017		2016		2017		2016
Interest and investment income	$	113	$	24	$	260	$	39
Income tax benefit (expense)	79		45		242		(42		)
Other non-operating income	—		30		—		126
Total other income, net	$	192	$	99	$	502	$	123