OTHER CURRENT ASSETS AND LONG-TERM ASSETS (Tables)

12 Months Ended

Dec. 31, 2018

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,
	2018		2017
Prepaid expenses	$	1,261	$	3,085
Deposits and other receivables	1,841		1,600
Interest receivables	768		237
	$	3,870	$	4,922