OTHER INCOME (EXPENSE) , NET Components of Other Income (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Other Income and Expenses [Abstract]
Interest and investment income	$ 24	$ 12	$ 39	$ 26
Income tax benefit (expense)	45	(35)	(42)	(119)
Other non-operating income	30	0	126	0
Total other income (expense), net	$ 99	$ (23)	$ 123	$ (93)