OTHER CURRENT ASSETS AND LONG-TERM ASSETS (Tables)

12 Months Ended

Dec. 31, 2017

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]

Schedule of other current assets

Other current assets consisted of the following (in thousands):

	December 31,
	2017		2016
Prepaid expenses	$	3,085	$	1,879
Deposits and other receivables	1,600		759
Interest receivables	237		183
	$	4,922	$	2,821