INTEREST AND OTHER EXPENSE, NET (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Other Income and Expenses [Abstract]
Interest income	$ (133)	$ (63)	$ (225)	$ (119)
Interest expense	147	77	224	142
Other, net	7	78	6	65
Total interest and other expense, net	21	92	5	88
Cash paid for interest	$ 71	$ 58	$ 127	$ 85